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(shí)候來的嗎?come來,是一個(gè)動(dòng)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(gè)動(dòng)作應(yīng)該是過去發(fā)生的,應(yīng)該用一般過去時(shí),故選B。A是一般現(xiàn)在時(shí),表示經(jīng)常性或習(xí)慣性的動(dòng)作;C是現(xiàn)在進(jìn)行時(shí),表示此刻正在發(fā)生的事情;D是過去進(jìn)行時(shí),表示過去某時(shí)正在發(fā)生的動(dòng)作。
考點(diǎn):考查動(dòng)詞時(shí)態(tài)。

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