() 17. —Do you know for help when we are in trouble at school?

—Yes,our teachers and friends.

   A. who should we ask   B. what to ask

   C. who to ask   D. how should we ask

() 16. You jump onto the bus while it is moving. It’s too dangerous.

   A. may   B. may not   C. must   D. mustn't

() 15. You must read the instructions carefully you take the medicine (药) .

   A. while   B. after   C. so   D. before

() 14. I a gift from my penfriend Peter,but I didn't it.

   A. received;accept   B. received;receive

   C. accepted;accept   D. accepted;receive

() 13. The sweaters are so beautiful. I don't know .

   A. will buy which   B. which to buy   C. which buy   D. to buy which

() 12. —My uncle goes swimming every Sunday.

—Oh? But he hate swimming.

   A. use to   B. uses to   C. is used to   D. used to

() 11. I can't decide .

   A. what to do it   B. how shall I do

   C. how to do it   D. what shall I do it

() 10. —I m not sure what to get mother on Mother's Day. What about you?

—Oh,I have no idea , .

   A. also   B. either   C. too   D. so

() 9. We found the story very . All of us were in it.

   A. interesting;interested   B. interested;interested

   C. interested;interesting   D. interesting;interesting

() 7. The family stay at the hotel because it was raining hard.

   A. have to   B. had to   C. need to   C. want to