—Could you please come to the museum with me this afternoon?—Sorry，I ________．I have to take a piano lesson at 2 pm．
#78166
A
couldn’t
B
mustn’t
C
can’t
D
needn’t
推荐题目
---Why hasn’t Jane arrived yet? ---She ______ again in the morning.
#62660
A
shouldn’t have overslept
B
may have turned off the alarm clock
C
must have no one to call her
D
should have someone to wake her up
----- I’m sorry . I ________ at you the other day . ----- Forget it. I was also a bit out of control of myself.
#62780
A
shouldn’t shout
B
mustn’t shout
C
shouldn’t have shouted
D
mustn’t have shouted
－ Do you think the English class is _____________?－ Yes, I enjoy it very much.
#77099
A
interested enough
B
interesting enough
C
enough interested
D
enough interesting
You'd better not ride the bicycle on snowy days; you ______ fall．
#62235
A
must
B
might
C
have to
D
ought to