See who’s there! ____ it be Mary?
#89021
A
May
B
Must
C
Can
D
Will
推荐题目
(2013·开封高三第一次模考)—Did Ann fail in English?—She ________.Don't you notice that she looks depressed?
#86571
A
might
B
must
C
may have
D
could have
The project ______ last month but unfortunately it had to be prolonged because of the financial problem.
#86466
A
needn’t have been finished
B
shouldn’t have finished
C
could have been finished
D
must have finished
Although James Cook the first westerner to have discovered Australia,New Zealand and Hawaii,his travels led to the creation of more accurate and reliable maps for vast parts of the world.
#89166
A
isn’t
B
wasn’t
C
must have been
D
may not have been
—Who has made a mess in my room?—Who else it but your naughty son?
#90185
A
could do
B
could have done
C
did
D
has done