问题
选择题
----Does Liu Hua serve in the army?
----No,but he ___in the army for three years.
A．served
B．has served
C．is serving
D．would serve
答案
答案：A
上句用一般现在时，下句回答用No，说明以前在军队服役，股答案用一般过去时。
搜题请搜索小程序“爱下问搜题”
----Does Liu Hua serve in the army?
----No,but he ___in the army for three years.
A．served
B．has served
C．is serving
D．would serve
答案：A
上句用一般现在时，下句回答用No，说明以前在军队服役，股答案用一般过去时。