—Look at the sign! —Oh, I see.We _______ waste water.
#77631
A
can
B
must
C
mustn’t
D
needn’t
推荐题目
—How is the debate of your essay?—It ____ well, but I ____one of the key points.
#62979
A
might work; hadn’t forgot
B
needn’t have worked; forgot
C
could have worked; forgot
D
would work; hadn’t forgot
--Do you think Jack will lend us a hand?--He is the last one to help others. He _____lend his hand, though.
#62966
A
can
B
must
C
should
D
might
— Do you know where Mary is? I couldn’t find her anywhere. — Well . She have gone far—her coat’s still here.
#62769
A
shouldn’t
B
mustn’t
C
can’t
D
wouldn’t
Mr. Smith has promised that all of us will pass the exam, so it ____ so difficult as you imagine.
#63382
A
can’t have been
B
can’t be
C
mustn’t have been
D
mustn’t be
-Who’s that girl swimming in the pool? Is it Lucy?-It be Lucy. She is sleeping in her bedroom now.
#74922
A
may
B
can’t
C
must
D
should
