—When I first got to Harvard, my awkward English brought me great trouble.——Oh, dear, it _______a struggle for you to keep up with other students.
#63055
A
might be
B
can be
C
could have been
D
must have been
推荐题目
It ________ be the postman at the door.It's only six o'clock.( 2011·江西)
#62159
A
mustn't
B
can't
C
won't
D
needn't
It is impossible to please everyone. We can only do our best.
#77859
A
hear…of
B
make… happy
C
know… well
D
look… down
Sorry I’m late. I ____ have turned off the alarm clock and gone back to sleep again.
#63143
A
might
B
should
C
need
D
will
The man in the office ____be Mr. Black because he phoned me from London just now.
#75461
A
mustn’t
B
may not
C
can’t
D
needn’t
It has been announced that candidates remain in their seats until all the papers have been collected.
#63016
A
shall
B
can
C
should
D
must