—How much are the two pairs of shoes? —They are not expensive. I think fifty dollars ______ enough.
#44198
A
is
B
are
C
were
D
was
推荐题目
It is reported that ______ number of college students ______ growing year by year.
#85943
A
a; are
B
the; is
C
the; are
D
a; is
—________ one and a half months enough for the project to be finished?—I am afraid not.The professor is ill and only after he recovers ________ go on with it.
#85565
A
Is；he can
B
Are；he can
C
Is；can he
D
Are；can he
The Smiths ______ their breakfast when the doorbell rang.
#86177
A
had
B
has been having
C
are having
D
were having