.Susan’s parents have bought a large house with a swimming pool. It ______be very expensive.
#78190
A
can
B
must
C
mustn’t
D
can’t
推荐题目
Reading in bed isn’t      our eyes. 
#78099
A
good at
B
weak in
C
bad for
D
good for
You _____ have bought the book for me, but thank you all the same.
#62880
A
shouldn’t
B
needn’t
C
can’t
D
mustn’t
You ______ be hungry already--- you had lunch only two hours ago!
#63140
A
mustn’t
B
wouldn’t
C
can’t
D
needn’t