7. —Does Liu Hui serve in the army? —No, but he in the army for three years. A. servedB. has servedC. is servingD. would serve用过去完成时是一般过去式?

分类: 作业答案 • 2022-01-02 13:56:10

问题描述：

7. —Does Liu Hui serve in the army?
—No, but he in the army for three years.
A. servedB. has served
C. is servingD. would serve
用过去完成时是一般过去式?

答

A.served
这里面只能选A,sever是个延续性动词,后面可以跟一段时间
按理说也可以用过去完成时的,但选项里没有

7. —Does Liu Hui serve in the army? —No, but he in the army for three years. A. servedB. has servedC. is servingD. would serve用过去完成时 是一般过去式?