1. Look at that lttle boy wandering about一perhaps he_his mother.
A. will lose
B. is losing
C. had lost
D. has lost
2. It's good that we_to the park because it's started to rain.
A. don't go .
B. hadn't gone
C. didn't go
D. wasn't going
3.I_for five minutes; why don't they come?
A. am calling
B. called
C. was calling
D. have been calling
4. You_your turn so you'll have to wait.
A. will miss
B. have missed
C. are missing
D. had missed
5. We_to move but are still considering where to go to.
A. are deciding
B. decided
C. have decided
D. had decided
6. I 1eft my pen on the desk and now it's gone; who___ it?
A. took
B. has taken
[答案与解析]
1.选D.根据那个小男孩徘徊的现象，推知他可能是找不到妈妈了。用现在完成时表示结果。
2.选C句意为“好在我们(刚才)没有去公园，因为天(现在)已经开始下雨了”。
3.选D.用现在完成进行时表示持续到现在的一段时间。
4.选B.用现在完成时表示结果，即你已经错过了机会，其结果是: 你只能等。
5.选C用现在完成时表示影响。
6.选B用现在完成时表示影响或结果，即现在笔不见了，是由于某人已经把它拿走了的结果。
