－Shall we go hiking this Sunday? －Sorry, I _______. I’ll have to take a piano lesson.
#74286
A
may not
B
can’t
C
needn’t
D
mustn’t
推荐题目
The pay phone is _____Green Street and it’s across ______ the library.
#77206
A
in, to
B
on, from
C
at, through
D
by, of
She is a quiet girl at school，but sometimes she _____be very naughty．
#62264
A
should
B
would
C
can
D
will
—I wonder why Mr Green hasn't showed up at the meeting yet.—I'm not sure，but he________in a traffic jam driving here.
#62838
A
could be stuck
B
might have been stuck
C
might be stuck
D
must have been stuck