--- Can we leave the classroom now?-- No, you ______. You ______ to leave until the bell rings.
#75539
A
mustn’t, are allowed
B
don’t have to, are supposed
C
needn’t, aren’t allowed
D
can’t, aren’t supposed
推荐题目
We all know that we ________ our carbon footprint, but I suspect that many people wouldn't be prepared to go as far as Joan Pick, a retired scientist living in south London.
#62336
A
must have reduced
B
should have reduced
C
may have reduced
D
could have reduced
I’m sorry, Bill. I _________ the book to you last week, but I was so busy that I forgot to do so.
#63435
A
must have returned
B
could return
C
should have returned
D
might return
Is there _______________ to sleep for half a day?
#77754
A
somewhere enough silent
B
somewhere silent enough
C
enough silent somewhere
D
anywhere silent enough
Children of divorced parents ______ have difficulty in forming stable relationships themselves.
#62717
A
will
B
should
C
may
D
could
--- Mum, could I play with my classmates for a while after I finish my homework? --- _______. But you must come back before supper.
#77775
A
Yes, you can
B
Yes, you could
C
No, you can’t
D
No, you couldn’t