【題目】Look! All my classmates ___________ on the playground.

A.are runningB.ranC.were runningD.run

【答案】A

【解析】

句意:看!我所有的同學(xué)都在操場上跑步。

考查動詞時態(tài)。are running正在跑,現(xiàn)在進行時;ran跑,過去時;were running正在跑,過去進行時;run跑,一般現(xiàn)在時;根據(jù)句首的Look可知,句子應(yīng)該用現(xiàn)在進行時,結(jié)構(gòu)是am/ is/ are+doing形式,而句子主語是All my classmates是復(fù)數(shù)名詞,所以這里應(yīng)該選擇are,故選A。

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