This problem is said_____ three times at the meeting. However, they haven’t arri

题型：不详难度：来源：

This problem is said_____ three times at the meeting. However, they haven’t arrived at a conclusion now.

A．to have discussed	B．to have been discussed
C．having been discussed	D．having discussed

答案

解析

略

举一反三

The poems said________by Sean Cannery will be published next year.

A．having written

B．written

C．to have been written

D．having been written

题型：不详难度：| 查看答案

My sister, who is______a red sweater now, ______a foreigner for 3 years.

A．having on; has married	B．dressed in; has got married
C．wearing; has been married to	D．putting on; has married with

题型：不详难度：| 查看答案

--- I’m very pleased_____ you here；when and how did you come?
--- I took a lift this morning．

A．to see

B．of seeing

C．seeing

D．having seen

题型：不详难度：| 查看答案

It is no use thinking about your ________ youth.

A．gone

B．lost

C．missed

D．losing

题型：不详难度：| 查看答案

We must take steps to prevent the __________ world population.

A．exploded

B．exploding

C．explosion

D．explosively

题型：不详难度：| 查看答案