—Bob, where is Linda?—She be in the library, but I am not sure.
#74179
A
must
B
may
C
need
D
has to
推荐题目
Sir, you ________ take this seat. It’s just for the old.
#63644
A
oughtn’t to
B
can’t
C
won’t
D
needn’t
That truck nearly hit me; I ______.
#62833
A
might be killed
B
may been killed
C
may be killed
D
might have been killed
—Must I clean my room now, Mum?—_______. You can do it tomorrow.
#75944
A
No, you needn’t
B
No, you mustn’t
C
Yes, you need
D
Yes, you must
—I can’t stop smoking, doctor.— For your health, I’m afraid you________.
#77297
A
must
B
have to
C
will
D
can
The police still haven’t found the lost child, but they’re doing all they .
#63627
A
can
B
may
C
must
D
should