—It’s eight o’clock already. Jack      be here by now.—Oh, he told me that he was going to see his dentist and wouldn’t be back until ten.
#87820
A
must
B
can
C
should
D
need
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
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