40. It was a difficult time, but we never ________ hope.

　A. put up　　　　 B. gave up　　　　　 C. picked up　　　　　 D. used up

39. –How about the exhibition that day?

　 --It was very noisy, but that didn’t ________ me.

　A. hurt　　　　　　 B. impress　　　　　　 C. change　　　　 D. bother

38. –Do you know the man under the tree?

　 --Sorry, I don’t know _______.

　A. how is he　　　　 B. what is he　　　　　 C. who he is　　　 D. bother

37. –Waiter, $ 20 for dinner, right?

　 --I’m afraid $25, sir, for drinks are ________.

　A. extra　　　　　 B. free　 　　　　　C. high　　　　　 D. spare

36. –How many students are there in the classroom?

　 --__________. They are all in the lab.

　A. Some　　　　 B. None　　　　　　 C. All　　　　　　 D. Neither