-–Mary knows the city quite well.--She______ well have been there before.
#63125
A
need
B
could
C
should
D
may
推荐题目
Lifting off at sunrise, the hot air balloon goes wherever the wind blow.
#63659
A
may
B
must
C
need
D
should
“Where’s my book? I can’t find it”.“It _______ on your desk.”
#76205
A
may be
B
maybe
C
maybe is
D
may is
---Do you know how this disabled man succeeded in running such a big company?--- I don’t know , but I think he __________ many difficulties.
#62712
A
could have gone through
B
must have gone through
C
might go through
D
need go through