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Hejumpedintothewaterwhenheheardaboy     forhelp.A.call ...

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問題詳情:

Hejumpedintothewaterwhenheheardaboy     forhelp.A.call ...

He jumped into the water when he heard a boy      for help.

A. call                  B. called               C. calling                     D. to call

【回答】

C  此處考查hear sb. doing sth.結構,意爲“聽到某人在做某事”。句意:當他聽到一個男孩在喊救命時,他跳進了水裏。

知識點:動詞和動詞短語

題型:選擇題