A few animals sometimes fool their enemies________to be dead.

In the middle of the blue river__________.

A. does a tiny violet flower emerge

B. did a tiny violet flower emerge

C. emerge a tiny violet flower

D. emerged a tiny violet flower 

Had you known that the river was dangerous, he_______to swim across it.

There is one person to ________ I owe more than I can say.

Two grams of butter________in this recipe.

Luckily, by the time we got there, the painting________

I know we had an argument, but now I'd quite like to________.

It is essential that Alice______Tome of the meeting tomorrow.

A. work

B. be working

C. have worked

D. have been working 

They stayed for hours,_______my mother was very annoyed about.

The rumors go that Jack will be arrested. He is said________a bloody robbery.

A. the most frequent natural disasters are

B. the most frequently natural disasters occur

C. the more frequent are natural disasters

D. the more frequently natural disasters occur 

When asked about their preference for movies, many young people say that they are in favor ______science fiction.

Paul has just sold his_______car and intends to buy a new one.

More and more investors are pouring_______money into food and beverage start-ups.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

My grandfather_______for this company for over thirty years and then retired.

If Paul ______ a job now, he wouldn’t be so unhappy.

It ______ Sue that you saw last night. She’s abroad with her family.

Only after she had finished the course did she realize she ______ a wrong choice.

Your brother hardly talks to anyone, ______?

The energy ______ from the sun is renewable and environmentally–friendly.

We've had _________ problems with our new computer that we had to send it back to the shop.

Why not ________ the meeting until Thursday morning?

We like ________ policies.

A. American recent economic

B. economic recent American

C. recent American economic

D. recent economic American 

DNA tests ________ accepted in court eases.

Dawn's thinking of setting ________ a social club for local disabled people.

She worked here for a while then _________ afternoon she just quit and left.

Not only _________ the exam but she also got a scholarship.

“Jenny’s always wanted to get to get to the top of her career, _________?” “Yes, she’s an ambitious girl”.

She has just bought _________.

A. an interesting French old painting

B. an old interesting French painting

C. a French interesting old painting

D. an interesting old French painting 

___________, I decided to stop trading with them.

George wouldn’t have met Mary ___________ to his brother’s graduation party.

A. has not gone

B. had not gone 

C. had he not gone

D. if he shouldn’t have gone 

In most _____ developed countries, up to 50% of ______population enters higher education at some time in their lives.

She has two brothers, ___________ are engineers.