--- 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
A fully-grown blue whale _____ 110 feet in height and _____ several tons.
#101038
A
is measured; weighs
B
measures; weighs
C
is measured; is weighed
D
measures; is weighed
-Look! Someone __________sofa. -Well,it wasn`t me.I didn`t do it
#101698
A
is cleaning
B
was cleaning
C
has cleaned
D
had cleaned
The man insisted that he ___ innocent.
#103524
A
was
B
should be
C
be
D
were
Millions of pounds’ worth of damage _____ by a storm which swept across the north of England.
#100797
A
has been caused
B
had been caused
C
will be caused
D
will have been caused