15. From time to time we are faced with a difficult situation 　　 we just can’t say no.

　 　　 A. when　　 　 B. that 　　　　 C. which　 　　　 D. where

14. 　　 touched the most is 　　 he keeps smiling in such a tough time.

　 　　 A. That; that　　 　　　　　　 B. What; what　　　

　　　　 C. Which; that　 　　　　　　 D. What; that

13. 　　 is mentioned earlier, effective communication skills are developed with practice and the right attitude.

　 　　 A. As　　　 　　 B. Which 　　　　 C. What　　 D. That

12. —How does it come that Alex should have made such a mistake?

　 　 —He is not such a clever boy 　　 he looks.

　 　　 A. that　　 　 B. which　 　　　 C. who　　　 D. as

11. It seems 　　 he were the only one in the school right now. It is almost impossible for me to take my eyes off him.

　　　　 A. 　　　　　　 B. as if　　 　　 C. even if　　 D. though

10. —What makes you so tired?

　 　 — 　　.

　 　　 A. That I have been watering the flowers all afternoon

　　　　 B. I have been watering the flowers all afternoon　

　　　　 C. Because I have been watering the flowers all afternoon

　　　　 D. When I have been watering the flowers all afternoon

9. He may come tomorrow, 　　 I will talk with him about the project in details.

　 　　 A. in that case　　 　　　　　　 B. in what case　　

　　　　 C. in which case 　　　　　　　 D. in case

8. Tom has become strong and brave through practice; he is no longer 　　.

　 　　 A. what he used to be　　　 B. what he was used to be　　　

　　　　 C. how he used to be 　　　　　　　 D. that he used to be

7. 　　 drop in at our store on the first day will be rewarded with a gift.

　 　　 A. Who　　 　　　　　　　　 B. No matter whom　　　

　　　　 C. Those　　 　　　　　　　　 D. Whoever

6. Online shopping is much less reliable. That is 　　 many people still prefer traditional markets.

　　　　 A. because 　　 B. how　　　 C. why　　　 D. that