—My brother gets the first prize for computer in our city today.—I am sure he            be a very smart student.
#89337
A
could
B
should
C
might
D
must
推荐题目
— Turn off the TV, Jack. ____ your homework now?— Mum, just ten more minutes, please.
#90090
A
Should you be doing
B
Shouldn’t you be doing
C
Couldn’t you be doing
D
Will you be doing
Mr. Smith insisted that his book _______within three days.
#86766
A
returned
B
would be returned
C
should return
D
be returned
 --- It took me two hours or so to walk here. --- But you ______ here in Billy’s car.
#88139
A
could have come
B
must have come
C
must come
D
could come