________ he still paused uncertain, he became aware that the driver was looking

题型：不详难度：来源：

________ he still paused uncertain, he became aware that the driver was looking closely in from the street at this unusual scene.

A．While

B．As

C．Since

D．Because

答案

解析

略

举一反三

The boy named a price which was five times ________ he would have got for the fruit locally.

A．which

B．that

C．what

D．as

题型：不详难度：| 查看答案

Only later, after the alcohol had had its less effect, ________.

A．the conversation had deepened	B．had the conversation deepened
C．the conversation deepened	D．did the conversation deepen

题型：不详难度：| 查看答案

By midnight the floor was wet with beer. One young technician slipped and bumped into another. They struggled, ________ trying to get the other in a head-lock.

A．every

B．all

C．everyone

D．each

题型：不详难度：| 查看答案

–Do you know who invented _______ telephone?
- No, but it is really _______ most useful invention.

A．the; /

B．a; a

C．the; a

D．a; the

题型：不详难度：| 查看答案

If we don’t take some measures to protect this kind of plant, it will ____ soon.

A．die out

B．die down

C．die from

D．die of

题型：不详难度：| 查看答案