Although caffeine is a moderately habit-forming drug, coffee is not regarded as harmfully to the average healthy adult.

A. moderately

B. habit-forming

C. harmfully

D. healthy

By measuring the color of a star, astronomers can tell how hot is it.

A. measuring

B. the

C. how

D. is it

Passengers are required to arrive to the gate fifteen minutes before departure time.

A. are required

B. to arrive to

C. before

D. departure time

I think she will be suitable for the work because she has been working like a teacher for a long time.

A. will be

B. for

C. has been working

D. like

John announced that he could not longer tolerate the conditions of the contract under which he was working.

A. announced that

B. not longer tolerate

C. of

D. under which

It is believed that in the near future robots will be used to doing things such as cooking.

A. it is believed

B in the near future

C. be used to cooking

D. such as

The bus was plenty of people who had spent many a happy hour shopping at the new.

A. plenty of

B. who

C. many a happy hour

D. shopping

Many languages used around the world they do not have a form of writing.

A. used

B. around

C. they

D. a form of writing

I enjoy reading the article that you told me about it yesterday.

A. reading

B. that

C. told

D. it

It is time the government do something to help the unemployed to find some jobs.

A. do

B. time

C. the unemployed

D. some

Little he knows about the surprise that awaited him.

A. he knows

B. about

C. the

D. awaited

When a lion gets hungry, its manner changes and it becomes threatened.

A. when

B. its manner

C. and

D. threatened

Neither of the men arresting as terrorists would reveal information about his group.

A. neither

B. arresting

C. would reveal

D. his group

If they took their language lesson seriously, they would be able to communicate with the locals now.

A. took

B. seriously

C. would be

D. with the locals

Students suppose to read all the questions carefully and find out the answers to them.

A. suppose

B. all the

C. all the questions

D. them

Ancient people made a clay pottery because they needed it for their survival.

A. a clay pottery

B. because

C. it

D. their survival

My father asked me where had I gone the night before.

A. the

B. asked me

C. had I

D. before

The harder he tried, the worst he danced before the large audience .

A. worst

B. the

C. before

D. tried

Each of the members of the group were made to write a report every week.

A. were

B. members

C. to write

D. week

A smile can be observed, described, and reliably identify, it can also be elicited and manipulated under experimental conditions.

A. identify

B. experimental

C. can also

D. A smile

Proteins are made up of folded irregularly chains, the links of which are amino acids.

A. made up of

B. folded irregularly

C. the links

D. which

Henry David Thoreau was an American writer who is remembered for his faith in religious significance of the nature.

A. an

B. is

C. for

D. the nature

Although most species of small birds gather in groups at feeders provided by bird-watchers, the bright red cardinals usually appears alone or with its mate.

A. at

B. cardinals

C. or

D. its

Although most species of small birds gather in groups at feeders provided by bird-watchers, the bright red cardinals usually appears alone or with its mate.

A. at

B. cardinals

C. or

D. its

My teacher is very strict and he always makes us to finish all the exercises before leaving school.

A. is

B. strict

C. to finish

D. leaving home

The number of students attending universities to study economics have increased steadily in the last few years.

A. of students

B. attending

C. economics

D. have

Could you tell me how can I get to the city library, please?

A. Could

B. me

C. how can I

D. the

Some of his favourite subjects at school are Maths, English and Geographical.

A. some

B. subjects

C. are

D. Geographical

If you take the train, it would be much more convenient.

A. if

B. the train

C. would be

D. much

My sister told me that she had met my teacher at the supermarket yesterday.

A. My sister told

B. had met

C. at the supermarket

D. yesterday

It is very difficult for her to prevent him for smoking in her house.

A. very

B. for

C. prevent

D. for smoking

My elder sisters, both of them were doctors, said they were too busy to pick me up.

A. elder

B. both of them

C. too busy

D. to pick

Tom said that he was trying to carry out some campaigns to protect environment and will encourage others to do so.

A. he was trying

B. some

C. campaigns

D. will

Neither William or his brother stole the rambutans from our orchard.

A. or

B. stole

C. from

D. our orchard

My pen has very few ink in it, so could  you give me some?

A. has

B. few ink

C. culd

The bones of the elderly are more prone to fractures than of young people.

A. the elderly

B. more

C. to

D. of

Folklore consists of the beliefs, customs, traditions, and telling stories that people pass from generation to generation.

A. Folklore

B. the

C. telling stories

D. generation

The most visible remind of the close relationship between the United States and France is the famous Statue of Liberty, which stands in New York habor. 

A. remind

B. between

C. is

D. which

The world is becoming more industrialized and the number of animal species that have become extinct have increased.

A. industrialized

B. species

C. extinct

D. have

More than ten students have failed the exam, that surprised the class teacher.

A. more than

B. have failed

C. that

D. the