—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
_________, he could continue working in this company now. 
#87393
A
Had he not lied to the boss
B
Did he not lie to the boss
C
If he has not lied to the boss
D
If he didn’t lie to the boss