The room is in a terrible mess; it ________have been cleaned.
#63479
A
can’t
B
mustn’t
C
shouldn’t
D
wouldn’t
推荐题目
I______ thank you too much for all your help to my son while we were away from home.
#63489
A
won’t
B
can’t
C
can
D
will
If the students who killed themselves had only been more confident, their deaths ________.
#63688
A
need have been avoided
B
must have been avoided
C
might have been avoided
D
will have been avoided
----You needn’t take an umbrella. It isn’t going to rain.----Well, I don’t know. It_____do.
#74161
A
may
B
must
C
should
D
can
---Whose book is this?---It________ be Ning’s because it has her name on it.
#75302
A
must
B
can’t
C
might
D
could
_____ people in the world are sending are receiving e-mails every day.
#77031
A
Million of
B
Many millions of
C
Several millions’
D
Several millions