--- It’s a long time ____ I saw you last. --- Yes, and what a pity. It will be a

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--- It’s a long time ____ I saw you last.
--- Yes, and what a pity. It will be a long time ____ we see each other again.

A．before; since

B．since; before

C．when; when

D．since; when

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举一反三

Cycling is a very useful way, especially in cities _______ bike paths have been built.

A．which

B．that

C．where

D．what

题型：不详难度：| 查看答案

You will fail in the coming examination________ you work hard at your lessons.

A．unless

B．if

C．whether

D．when

题型：不详难度：| 查看答案

Jane is not ____ she was ten years ago. She has changed so much.

A．that

B．who

C．whom

D．what

题型：不详难度：| 查看答案

I won’t give my help ______ you will tell me the truth.

A．unless

B．since

C．if

D．even though

题型：不详难度：| 查看答案

One can fail at times, but _______ makes a difference is one’s attitude towards life.

A．what

B．which

C．that

D．where

题型：不详难度：| 查看答案