--- ________ have you kept the book ? --- Since last Month. I ________ return it to the library today or I can’t borrow one next time.
#74561
A
How often; must
B
How long; have to
C
How soon; have to
D
When; must
推荐题目
Don’t be angry with us. We ____ with you together, but we were busy with our final reports when you called in.
#63012
A
would eat out
B
must have eaten out
C
should eat out
D
could have eaten out
----Did you go to the cinema last night? ----No, We , but our car broke down on the way.
#63341
A
must have gone
B
shouldn’t have gone
C
could have gone
D
Needn’t have gone
--Why are your eyes so red? You _______ have slept well last night.
#62776
A
can't
B
mustn't
C
needn't
D
won't
If people eat natural plant poisons by mistake, they _______ go to hospital without delay.
#63214
A
would
B
can
C
may
D
must