----Does Liu Hua serve in the army?----No,but he ___in the army for three years.
#104193
A
served
B
has served
C
is serving
D
would serve
推荐题目
For the past year, he ______ a flat with others and trying to save money to open his own business.
#100393
A
has been sharing
B
was shared
C
had been sharing
D
is sharing
 I didn’t hear you because I __________ the news on the radio.
#100146
A
listen to
B
am listening to
C
listened to
D
was listening to
 —Did you enjoy the film?  —Yes, it’s the best one I ________ these years. 
#104475
A
had     
B
have had   
C
had had  
D
would have