This is an illness that can result into talblindness____left untreated. A．afterB

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This is an illness that can result into talblindness____left untreated.

A．after

B．if

C．since

D．unless

答案

解析

略

举一反三

.I won’t let you in____you show me the written permission of themanager.

A．apart from

B．unless

C．except

D．but

题型：不详难度：| 查看答案

27．—Do you think it wise for Chinese parents to try to do everything for their children?
—No, that’s_________they are mistaken.

A．where

B．when

C．what

D．How

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30．We think that it’s love, generosity and perseverance______make the world it is today.

A．what; that

B．that; what

C．which; what

D．which; that

题型：不详难度：| 查看答案

It is hoped that it won’t be long the stu

dents aren’t burdened with so much homework.

A．before

B．since

C．that

D．after

题型：不详难度：| 查看答案

33. We were to go out for a walk ________ it began to rain.

A．while

B．before

C．as

D．when

题型：不详难度：| 查看答案