It is difficult to write rules that tell exactly when we should apologize , and it is not difficult to learn how to do it 

(A) Difficult

(B) That

(C) When

(D) And

The clerks who are happy to wait for their customer will get promoted soon.

(A) Clerks

(B) Wait for

(C) Customer

(D) Get promoted

Practicing his speaking English everyday, his hope was to get a good job in a foreign company.

(A) His

(B) Everyday

(C) His hope

(D) To get

The big problem was that we really did not understand what was happened

(A) Problem

(B) That

(C) Did not

(D) Was happened

A beaver uses its strong front_teeth to cut down trees and peel_off its bark.

(A) Its

(B) Front teeth

(C) Peel off

(D) Its

There was a gradual raise in the number of literate males and females in the lowlands.

(A) A gradual

(B) Raise

(C) Literate

(D) The lowlands

The Red Cross organizes and leads relief assistance missions after natural disasters such as floods, tsunamis, earthquakes, and homelessness.

(A) The Red Cross

(B) organizes and leads

(C) assistance missions

(D) and homelessness

More Asian students Than American COUNTERPARTS agree that a husband is obliged TELL his wife where he HAS BEEN if he comes home late.

(A) Than

(B) Counterparts

(C) Tell

Today, although their status varies from country to country, women in most parts of the world have gained  significance legal rights.

(A) Although

(B) Most parts

(C) Gained

ON the wedding day, the GROOM'S family and relatives GO to the bride’s house BRING gifts wrapped in red papers. 

(A) On

(B) Groom’s

(C) Go

(D) Bring

The developing of the submarine was hindered by the lack of a power source that could propel an underwater vessel

(A) Developing

(B) The

(C) A power

Species like snakes, lizards, coyotes, squirrels, and jack rabbits seems to exist quite happily in the desert. 

(A) Like

(B) Seems to

(C) Quite happily

Ours brains are incredibly agile machines, and it's hard to think of anything they do more efficient than recognize face. 

(A) Are

(B) Anything

(C) Efficient

(D) Recognize

The sates school system in England can be divided into two levels of educated: primary and secondary

(A) Be divided

(B) Into

(C) Educated

(D) Secondary

Each of the nurses report to the operating room when his or her name is called. 

(A) Of the

(B) Report

(C) His or her name

(D) Is called

Unlike many writings of her time, she was not preoccupied with morality.

A. writings

B. of her time

C. preoccupied

A child of noble birth, his name was famous among the children in that school.

A. of

B. his name

C. among

D. in that

Both Mr. and Mrs. Smith are explaining the children the rules of the game. 

A. Both Mr. and Mrs. Smith

B. are

C. explaining

D. the children the rules of the game

There are some people in the government try to improve the lives of poor people.

A. to improve

B. There are

C. lives

Oxygen plays a important role in maintaining live.

A. a

B. plays

C. role

D. live

Most of the houses on the street was built in the previous century.

A. of

B. on

C. previous

Publishing in the UK, the book has won a number of awards in recent regional book fairs.

A. publishing

B. has won

C. in

D. book fairs

Hardly did he enter the room when all the lights went out.

A. did he enter

B. when

C. the lights

D. went

There are many reasons why a particular species may become endangering.

A. endangering

B. may

C. a

Gettysburg has been preserve as a national historic monument because it was the site of a major Civil War battle in which many lives were lost.

A. preserve

B. because

C. many lives

D. were lost

It is important that you turned off the heater every morning before you leave for class.

A. turned off

B. before

C. important

D. leave for

She did not know where most of the people in the conference was from.

A. did not

B. where

C. the 

D. was

Many young people lack skills, good education, and financial to settle in the urban areas where many jobs are found.

A. lack

B. financial

C. urban areas

D. are found

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

A. before

B. the

C. worst

D. tried

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

A. asked

B. the

C. before 

D. had I 

The director, as well as his wife and two children, were injured in the accident.

A. the

B. well

C. were

D. in

If I had studied carefully, I wouldn't made so many mistakes.

A. I had

B. carefully

C. made

David, who mother is Vietnamese, speaks both Vietnamese and English fluently.

A. who

B. is

C. speaks

D. fluently

The Oxford English Dictionary is well known for including many different meanings of words and to give real examples.

A. well known

B. The

C. meanings

D. to give 

I had my motorbike repair yesterday but now it still doesn’t work.

A. had

B. repair

C. but now

D. work

Mr. Smith, along with her cousins from Canada, are planning to attend the firework display  in Da Nang, Vietnam.

A. with

B. her cousins

C. are

The teacher together with his students have finished their project on time.

A. The

B. together

C. have

D. their

Because her sickness she didn’t take part in the English competition held in Sunday.

A. Because

B. she

C. take

D. held

He passed the exams with high scores, that made his parents happy.

A. passed

B. with

C. that

The man for who the police are looking robbed the bank yesterday.

A. who

B. are

C. robbed