题目内容
【题目】I________all the exercises before my teacher collected the exercise books．
A．have finished
B．finished
C．had finished
D．finish
【答案】C
【解析】从before my teacher collected…可知时态应用过去完成时，故答案是C。
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题目内容
【题目】I________all the exercises before my teacher collected the exercise books．
A．have finished
B．finished
C．had finished
D．finish
【答案】C
【解析】从before my teacher collected…可知时态应用过去完成时，故答案是C。