题目内容
【题目】When the news came, the boys all became so excited, ________their hats into the air.
A. to throw B. thrown C. throwing D. were throwing
【答案】C
【解析】考查非谓语动词。句意:消息传来,男生们都很激动,将他们的帽子扔向空中。根据与前一句之间是逗号隔开,没有连词,故判断此处用非谓语动词,与主语the boys是主动关系,故用动词的-ing形式throwing 作伴随状语。
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