() 12. It's necessary us to keep the classroom every day.

   A. for;cleans   B. of; clean   C. for;clean   D. of;cleaning

() 11. It's very nice you to give me such a chance.

   A. to   B. for   C. of   D. at

() 10. —Do you want to see the film Gravity!

       —Gravity? I it. It's really wonderful.

   A. see   B. have seen   C. was seeing   D. has seen

() 9. He never works hard so it's for him to pass the exam.

   A. hopeless   B. useless   C. useful   D. hopeful

() 8. Michel has all his pocket money the local charity to help people in need.

   A. given;for   B. raised;to   C. donated;to   D. bought;for

() 7. My daughter think necessary to take so many dancing classes.

   A. that;for her   B. it;of her   C. that;of her   D. it;for her

() 6.— I like my Chinese teacher. He is very kind us.

       —That is very kind him.

   A. of;to   B. to;of   C. to; to   D. of;of

() 5. Is possible to fly to the moon in a spaceship?

   A. this   B. that   C. it   D. /

() 4. Valentina is good at English. I think its easy her English well.

   A. for;to learn   B. of;to learn   C. for;learning   D. of;learning

() 3. These college students in getting new jobs,so they have to stay in school.

   A. trouble   B. have trouble

   C. have fun   D. have a good time