“Why can’t you do it now?” “_____I’m too busy.”A．SinceB．AsC．BecauseD．For

题型：不详难度：来源：

“Why can’t you do it now?” “_____I’m too busy.”

A．Since

B．As

C．Because

D．For

答案

解析

略

举一反三

He must have passed this way, _____here are his footprints.

A．since

B．because of

C．now that

D．for

题型：不详难度：| 查看答案

_____everybody is here, Let’s begin our meeting.

A．Now that

B．Because

C．For

D．When

题型：不详难度：| 查看答案

They stopped at Tianjing_____they might visit the TV tower.

A．so

B．because

C．so that

D．in order

题型：不详难度：| 查看答案

_____it was late , she went on working.

A．Though

B．Because

C．Since

D．Whether

题型：不详难度：| 查看答案

I am sorry_____ I have caused so much trouble.

A．that

B．for

C．as

D．since

题型：不详难度：| 查看答案

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