. You _____ return the book now. You can keep it till next week if you like.
#89398
A
can’t
B
mustn’t
C
needn’t
D
may not
推荐题目
They got two free tickets to Canada, otherwise they______ able to afford to go.
#90047
A
wouldn’t have been
B
mustn’t have been
C
wouldn’t be
D
hadn’t been
It was playing computer games that cost the boy plenty of time that he ______ spent doing his lessons.
#87725
A
might have
B
should
C
ought to have
D
could
Swimming alone ____ be ____ dangerous. Do be careful.
#89464
A
need, highly
B
may, high
C
can; highly
D
can; high