问题 选择题

The situation is getting worse. We must __________ the trouble _____________.

A.keep; spreading

B.prevent; spreading

C.stop; to spread

D.protect; to spread

答案

答案:B

考查词组:阻止…做…keep/stop/prevent sb from doing其中除了keep以外,其他动词后面都可以省略from,所以选B,句意是:形势越来越严重,我们必须防止麻烦蔓延。

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