—Listen！Helen is singing in the next room.—It _____be Helen .She has gone to Beijing.
#75780
A
should
B
mustn’t
C
may
D
can’t
推荐题目
—I can’t stop smoking, doctor.— For your health, I’m afraid you________.
#77297
A
must
B
have to
C
will
D
can
——Can I get out in the daytime?——No. The school rules state that no child _____ be allowed out during the day, unless accompanied by an adult.
#63235
A
shall
B
need
C
will
D
can
—Do you think the phone is genuine(真品)? —I don’t think it ______ be a fake, as this shop has a very good reputation.
#63462
A
must
B
might
C
can
D
would