注意：此页面搜索的是所有试题
题目内容
（河南理工大学-专升本英语2）
] —Does Liu Hui serve in the army? —No, but he ________ in the army for three years.
A.served
B.has served
C.is serving
D.would serve
A.served
B.has served
C.is serving
D.would serve
参考答案
