16. Mary had ______ much work to do that she stayed at her office all day.
A. such B. so C. too D. very
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
14. He took off his coat _______ he felt hot.
A. because B. as C. if D. since
13. The teacher raised his voice _______ all the students could hear him.
A. for B. so that C. because D. in order
12. When you read the book, you’d better make a mark _______ you have any questions.
A. which B. that C. where D. though
11. I hurried _____ I wouldn’t be late for class.
A. since B. so that C. as if D. unless
10. You should finish your lessons _______ you go out to paly.
A. before B. after C. when D. while
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
8. I’ll go swimming with you if I ________ free tomorrow.
A. will be B. shall be C. am D. was
7. I was late for class yesterday _______ there was something wrong with my bike.
A. when B. that C. until D. because