I____ asleep because it took me a long time to realize that the telephone was ringing.
#88031
A
could have fallen
B
should have fallen
C
must have fallen
D
mustn’t have fallen
推荐题目
I__________ you somewhere before, but your name has escaped me_________.
#90025
A
must see;for a moment
B
must have seen; for a moment
C
must see;for the moment
D
must have seen; for the moment
—When can I come for the photos? I need them tomorrow afternoon．—They_______ be ready by 12：00．
#87271
A
can
B
should
C
might
D
need
Great efforts to increase grain production if food shortages are to be avoided.
#88013
A
could be made
B
must be made
C
might be made
D
would be made
If you really want yourself to be in good health, you must ___ always ___ so much.
#90202
A
not; be smoking
B
not; have smoked
C
not; to smoke
D
be not; smoking
--- What book are you reading? Wow, Harry Porter! May I have a look at it?--- Yes, of course. You have it as soon as I get through with it.
#90393
A
must
B
should
C
will
D
shall