About two _________boys took part in the running race.
A．hundredB．hundreds C．hundreds of D．hundred of
A

試題分析：英語中數(shù)詞表示概數(shù)時，后面加s，和介詞of搭配使用。用原形時表示具體數(shù)字和數(shù)詞搭配使用。句意：大約200名學生參加了跑步比賽。結(jié)合語境可知本句中表示具體數(shù)字，故選A。
點評：英語中關(guān)于hundred、thousand和million三個數(shù)詞的用法只需要記住一個原則就行。即；前有數(shù)詞則不加s，加s必加of。
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