--- Does Li Hua serve in the army?---No, but he________ in the army for three years. 
#100952
A
served
B
has served
C
is serving
D
would serve
推荐题目
Visitors ______ not to touch the exhibits. 
#105000
A
will request
B
request
C
are requesting
D
are requested
I won’t tell the student the answer to the math problem until he ______ on it for more than an hour. 
#104700
A
has been working
B
will have worked
C
will have been working
D
had worked
------Have you telephoned your father? ------- Yes. He ______back next year.
#100494
A
is expected
B
expects
C
will expect
D
will be expected
—I'm not finished with my dinner yet.—But our friends________for us.
#99187
A
will wait
B
wait
C
have waited
D
are waiting