45. - How are you feeling here?

- It's quite hot. I don't know ______ to go or stay.

A. how B. when C. whether D. where

44. - He is slow in studying. I wonder how he could get good results in the

exam.

- No wonder he is always ______.

A. lively B. hard-working C. kind-hearted D. helpful

43. - Do I have to come back tomorrow?

- Yes, you______.

A. can B. may C. must D. should

42. - How can I tell one tree from another?

- You can mostly tell them by the______ of their leaves.

A. shape B. size C. age D. color

41. - What's up?

- I can't stand the noise outside. It's nearly______ me mad.

A. keeping B. turning C. causing D. driving

40. - Did James speak to you this morning?

- No, he______ me, but he didn't notice me.

A. passed B. saw C. greeted D. knocked

39. - Great changes have taken place in this city.

- Right. Many modern tall buildings have been _____ these years.

A. turned up B. put up C. shown up D. fixed up

38. - How nice the music sounds!

- It does! The peaceful music will make you feel ______.

A. excited B. bored C. moved D. relaxed

37. -Where did you go after we left the library yesterday?

- I went downtown and my aunt's on my way home.

A. played with B. called at C. waited for D. looked after