Tommy, you____ be hooked on the Internet all day. You may fall behind others in study.
#63526
A
mustn’t
B
shan’t
C
can’t
D
needn’t
推荐题目
---      your brother swim, John?---No, he       .
#75887
A
Is; isn’t
B
Can; can
C
Can; can’t
D
are, can’t
---Look!It _______ be Mr Zhang . ---No,it _______ be Mr Zhang. He has gone to Paris .
#76015
A
must, can’t
B
must , may
C
may ,mustn’t
D
can , may not