—Does Liu Hui serve in the army? —No, but he ________ in the army for three years. 
#104726
A
served
B
has served
C
is serving
D
would serve
推荐题目
 --- What is that wonderful smell? --- Our neighbor ________ for a party.
#103154
A
have prepared
B
are preparing
C
prepare
D
will prepare
—You could have asked Mr Johnson for help. He is kind-hearted.—I ________ that. A whole day ________.
#104732
A
forget; wastes
B
forgot; was wasted
C
forgot; had wasted
D
forget; was wasted
She told me that she had mailed part of the products and that the rest ______ in a few days. 
#99232
A
has followed
B
have followed
C
was following
D
were following