—Who has made a mess in my room?—Who else       it but your naughty son?
#90185
A
could do
B
could have done
C
did
D
has done
推荐题目
 The manager demanded that the task ______ within a week.
#87298
A
must complete
B
would be completed
C
be completed
D
must be completed
______, there would be no point arguing any longer.
#86765
A
Was that true
B
If that was true
C
Should that be true
D
Could that be true