The Green Corporation donated the property to the state of California, with one

题型：不详难度：来源：

The Green Corporation donated the property to the state of California, with one condition ____ the Green family would be allowed to use it when they wished.

A．what

B．which

C．when

D．that

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举一反三

It was never clear _____the man hadn’t reported the accident sooner.

A．that

B．how

C．when

D．why

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Before a problem can be solved, it must be obvious ______ the problem itself is.
　　A. what B that C which D why

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Jack wasn"t saying anything but the teacher smiled at him ____ he had done something very clever.
　　A as if B in case C while D though

题型：不详难度：| 查看答案

I’m afraid he’s more of a talker than a doer, which is_____ he never finishes anything.

A．that

B．when

C．where

D．why

题型：不详难度：| 查看答案

The old town has narrow streets and small houses _____are built close to each other.

A．they

B．where

C．what

D．that

题型：不详难度：| 查看答案