- Excuse me, may I keep the book a little longer?  - Sorry. You ________ return it today.
#36955
A
must
B
mustn't
C
can
D
can't
推荐题目
---Are you going to Jim’s birthday party tomorrow?---No. Unless I ________.
#37851
A
am not invited
B
wasn’t invited
C
am invited
D
will be invited
__________ you go,I will go with you .
#42345
A
whatever
B
However
C
Wherever
D
Where
Many kinds of wild animals are     . We must do something to save them.
#43817
A
in fact
B
on holiday
C
on time
D
in danger