If people keep______the river, there will be no fish in the river.

A. polluting B. pollute

C. polluted D. to pollute

I love game shows. I hope one day I can ___one of them, answer all the questions and win a big prize！

A. play a part in B. play role in C. joins in D. take a part in

We must look after our home—the earth，because its________is getting worse and worse.

A. water B. environment C. planet D. prediction

Some old houses ________ in my hometown last summer.

A. fall down B. fell down C. write down D. wrote down

—How many birds can you see in the trees?

—I can see ________ birds.

A. hundreds of B. five hundreds C. hundred of D. five hundreds of

This coat doesn't fit him well，as he has ________ a big body and the coat is ________ small.

A. so，such B. so，so C. such，such D. such，so

The TV program was very ________ and we all got__________.

A. bored; bored B. boring; boring C. bored; boring D. boring; bored

--- A study shows that good habits play a very important _________ in children’s education.

---I think so.

A. sense B. part C. reason D. meaning

There will be _______ jobs for people because some robots will do the same jobs as people.

A. many B. more C. fewer D. fewest

I only have three ________.

A. piece of papers B. piece of paper C. pieces of papers D. pieces of paper