内容正文:
练习一
一. 单项填空
1. _______ he’s old, he can still carry this heavy bag.
A. Though B. Since C. For D. So
2. ---Do you know if he _______ to play basketball with us?
---I think he will come if he ______ free tomorrow.
A. comes; is B. comes; will be C. will come; is D. will come; will be
3. In the zoo if a child _____ into the water and can’t swim, the dolphins may come up ______ him.
A. will fall; to help B. falls; to help C. will fall; help D. falls; helping
4. I don’t remember ________ he worked in that city when he was young.
A. what B. which C. where D. who
5. We will stay at home if my aunt ________ to visit us tomorrow.
A. comes B. come C. will come D. is coming
6. The police asked the children _______ cross the street ________ the traffic lights turned green.
A. not; before B. don’t; when C. not to; until D. not; after
7. I was late for class yesterday _______ there was something wrong with my bike.
A. when B. that C. until D. because
8. I’ll go swimming with you if I ________ free tomorrow.
A. will be B. shall be C. am D. was
9. In the exam, the ________ you are, ______ the _______ mistakes you will make.
A. careful; little B. more careful; fewest
C. more careful; fewer D. more careful; less
10. You should finish your lessons _______ you go out to play.
A. before B. after C. when D. while
11. I hurried _____ I wouldn’t be late for class.
A. since B. so that C. as if D. unless
12. When you read the book, you’d better make a mark _______ you have any questions.
A. which B. that C. where D. though
13. The teacher raised his voice _______ all the students could hear him.
A. for B. so that C. because D. in order
14. He took off his coat _______ he felt hot.
A. because B. as C. if D. since
15. It is ______ that we’d like to go out for a walk.
A. a lovely day B. too lovely a day C. so lovely a day D. such lovely a day
16. Mary had ______ much work to do that sh