Underline the correct word in each sentence． They make repeated requestshelp．
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Underline the correct word in each sentence．(在正确的单词下画线。)
They make repeated requests(for/of)help．
试题答案
答案：for
解析：request n．(口头或书面的)请求。为可数名词且其后一般用介词“for”。本句意为“他们一再请求帮助”。 |