改錯：Circumstancespermit,hewouldnothavecancelledthetriphe...

問題詳情：

改錯：Circumstances permit, he would not have cancelled the trip he had been longing for.

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【回答】

permit→permitting　句意：如果情況允許的話，他就不會取消他一直渴望的旅行了。這裏用“名詞＋現在分詞”構成*主格結構，相當於If circumstances permit。

知識點：非謂語動詞

題型：短文改錯