You _____ read a book in the sun—it'll do harm to your eyes．
#63386
A
couldn't
B
wouldn't
C
needn't
D
mustn't
推荐题目
(2013·成都一诊)Parents are doing all they ________ to help their children achieve their ambitions.
#62430
A
shall
B
can
C
may
D
need
---- Is Ann knocking at the door?--- No, it ______ be Ann. She has gone to Beijing.
#76806
A
can’t
B
mustn’t
C
needn’t
D
may not
—Bad news? —If you ______ know, Li Na got defeated again in the first round!
#63506
A
can
B
will
C
shall
D
must
---Who is the tallest boy? ---It ______ be John. John is of medium height.
#77245
A
must
B
needn’t
C
might
D
can’t