Question

请大家帮忙解释下这几道英语题～！

请解释下为什么 谢谢 答得好追加分哦

1 Under more favorable conditions, we-----better.

A need have done B should do C could have done D might be doing

2 She promised to come but she hasn't ----yet.

A put up B picked up C turned up D woken up

3 Goodbye! I'm glad --you.
----,too!
A to see;I B to have seen; Me C to see; Me D seeing;I

4 The train he was looking forward to------only a minute ago.

A arrive B arriving C arrived D had arrived

5 Only after the other train pulled out of the station-----that it was moving.

A could see B could we see C we saw D do we see

6 Who is ---starting the bush fire.

A blame B to blame for C blamed D blame for

7 Be tough-minded,but tender-hearted--------?

A will you B isn't C aren't you D are you

Answer 1

1 Under more favorable conditions, we-----better.
B
A need have done 本应该（但却没有） B should do应该 C could have done本应该（但却没有） D might be doing （X）

2 She promised to come but she hasn't ----yet.
C
A put up穿上，戴上... B picked up捡起 C turned up出现，露面 D woken up工作做完

3 Goodbye! I'm glad --you.
----,too!
B
A to see;I B to have seen（完成时，动作已经发生，注意goodbye）; Me C to see; Me D seeing;I

4 The train he was looking forward to------only a minute ago.
D he was looking forward to 是修饰中心词train
A arrive B arriving C arrived D had arrived

5 Only after the other train pulled out of the station-----that it was moving.
B被动句 ，Only after是关键。
A could see B could we see C we saw D do we see

6 Who is ---starting the bush fire.
B to blame句子才完整，blame 前面要有介词； for连接后面的句子
A blame 两个动词不可能连在一块 B to blame for C blamed D blame for