______ for a long time, but he managed to catch up with his classmates at last.A

题型：不详难度：来源：

______ for a long time, but he managed to catch up with his classmates at last.

A．Having been ill

B．Being ill

C．He was ill

D．Though ill

答案

解析

略

举一反三

Never lose much time _______ you should make use.

A．that

B．which

C．of which

D．of that

题型：不详难度：| 查看答案

We are watching TV ______ we caught sight of a friend of ours .

A．as soon as

B．while

C．when

D．once

题型：不详难度：| 查看答案

The price of diamond rings has risen sharply _______ the price of gold rings has gone down.

A．when

B．as

C．while

D．otherwise

题型：不详难度：| 查看答案

_______ reason you may give , you ought not to have left homework unfinished.

A．What

B．No matter

C．However

D．Whatever

题型：不详难度：| 查看答案

_____, Mother will wait for him to have dinner together.

A．However late is he	B．However he is late
C．However is he late	D．However late he is

题型：不详难度：| 查看答案