—What does the sign over there read?—No person ________smoke or carry a lighted cigarette ,cigar or pipe in this area.
#63550
A
will
B
may
C
shall
D
must
推荐题目
Which pair contains the sound//?
#77335
A
other;thank
B
Thursday;strength
C
thin;this
D
brother;healthy
You __________be tired—you’ve only been working for an hour.
#62234
A
must not
B
won’t
C
can’t
D
may not
You ______ be hungry already--- you had lunch only two hours ago!
#63140
A
mustn’t
B
wouldn’t
C
can’t
D
needn’t
