I think you must be mistaken about seeing him at the theatre; I’m sure he       abroad all week.
#86240
A
is
B
was
C
has been
D
had been
推荐题目
The number of traffic accidents that _______ in developing countries _______ increasing.
#86033
A
happen; is
B
happens; is
C
happens; are
D
happen; are
 How ______you?
#44078
A
am
B
is
C
are
D
be