The whole building _____ burned down, but the heavy rain _____.
#90075
A
might have; would help
B
could have been; helped
C
must have; helped
D
should have been; was helping
推荐题目
—Will you stay for lunch?—Sorry, ____________. My brother is coming to see me. 
#89065
A
I mustn’t
B
I can’t
C
I needn’t
D
I won’t
The mother insisted her child ________________________.
#87244
A
to be checked
B
on having a check
C
be checked
D
should check
Something ___ to save our earth. Do you think so?
#88938
A
can do
B
must do
C
has to do
D
must be done
----I failed again. I wish I _________ harder.---But you _________.
#86994
A
had worked; hadn’t
B
worked; didn’t
C
worked; don’t 
D
had worked; didn’t
He must have attended the meeting yesterday,___________  he?
#88232
A
didn’t
B
mustn’t
C
needn’t
D
hasn’t