The teacher is already standing here. Do you know when she ______?

A.comes B.came
C.is coming D.was coming

B

解析試題分析:句意:老師已經(jīng)站在這兒了。你知道她是什么時候來的嗎?come來,是一個動詞。根據(jù)句意可知,老師現(xiàn)在已經(jīng)站在這里了,因此來這個動作應該是過去發(fā)生的,應該用一般過去時,故選B。A是一般現(xiàn)在時,表示經(jīng)常性或習慣性的動作;C是現(xiàn)在進行時,表示此刻正在發(fā)生的事情;D是過去進行時,表示過去某時正在發(fā)生的動作。
考點:考查動詞時態(tài)。

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