I didn’t manage to do it_________ you had explained how.A．unlessB．untilC．whenD．

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I didn’t manage to do it_________ you had explained how.

A．unless	B．until
C．when	D．since

答案

解析

略

举一反三

_________he said so surprised all of us.

A．That

B．What

C．When

D．不填

题型：不详难度：| 查看答案

________he will come to help us is not clear.

A．That

B．Whether

C．Either

D．What

题型：不详难度：| 查看答案

.Some of his suggestions had been rejected _________ they were quite impracticable.

A．as

B．when

C．until

D．if

题型：不详难度：| 查看答案

There are more than three thousand students in my school, most of____ from the country.

A．that

B．which

C．whom

D．them

题型：不详难度：| 查看答案

It is his cleverness, not his strenth, ____ defeated his rival.

A．that

B．which

C．what

D．who

题型：不详难度：| 查看答案