----What _______ the children be doing?----They _______ be playing a game called Bingo.
#87633
A
might; can
B
can; might
C
might; might
D
can; can
推荐题目
--The mistake_____, I had been more careful.---But you weren’t at that time.
#86594
A
might have avoided
B
would avoid
C
would be avoided
D
might have been avoided
—I didn't go to see the doctor yesterday.     —But you________.  
#89498
A
ought
B
ought to
C
oughted to
D
ought to have