问题

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

正确答案是：

同类题型

For most informal dinners，you should wear comfortable，______ clothes.

下列各句中，表达得体的一句是

_________ isunknown to us all

Do you play football after work? — Yes, _____. Playing football is not my favorite sport.

We can see no clouds in the sky. Therefore, there’s nodoubt ______ it will be fine tomorrow.