16.　 Please answer the question in a loud voice _____all the class can hear you.

A. so that　　　 B. so…that　　　 C. though　　　 D. because

15.　 He knew nothing about the accident _______ his friend told him.

A. if　　　　　 B. since　　　　 C. until　　　　 D. because

14.　 Could you tell us _______you grow apples in your country?

A. that　　　　 B. whether　　　 C. which　　　　 D. what

13.　 Which is bigger, the sun _____the earth?

A. but　　　　 B. or　　　　　 C. and　　　　　 D. nor

12.　 The old man was _______ pleased ______he could not say a word.

A. either…or　 B. neither…nor　 C. not only…but also　 D. so…that

11.　 ________I was ill yesterday, I didn’t come to school.

A. For　　　　 B. As　　　　　 C. Because　　　 D. Since

10.　 _______you work harder, you’ll do better in your subjects.

A. If　　　　　 B. Before　　　 C. Already　　　 D. Whether

9. It’s raining now, ________ you must take the raincoat with you.

　 A. for　　　　　 B. so　　　　　 C. or　　　　　 D. because

8. We haven’t seen him ________ he left last year.

　 A. since　　　　 B. when　　　 C. as　　　　　 D. if

7. _______ Sunday ______Monday is OK. I’ll be free during those two days.

　A. Neither…nor　 B. Either…or　 C. Both…and　　 D. Either… and