—Does Li Ping serve in the army?—No, but he ________ in the army for five years. 
#104477
A
served
B
has served
C
is serving
D
would serve
推荐题目
I________in the house which______books and magazines.
#103368
A
am used to live;uede to keeping
B
used to live;has been used to keeping
C
have been used to living;was used to keep
D
used to live;was used to keeping