—What does the sign over there read?—"No person_______ smoke or carry a lighted cigarette, cigar or pipe in this area．"
#87756
A
shall
B
may
C
must
D
Will
推荐题目
The book I bought from the bookstore isn’t here. Who __________?
#89207
A
could have taken it
B
must have taken it
C
might take it
D
should take it.
If penicillin _____________ available, many people ______________ from sickness.
#86943
A
weren’t , would have died
B
shouldn’t be, would die
C
hadn’t been, would have died
D
is, will die
Had the boy worked harder, he ______ the exam.
#86940
A
must have got through
B
could get through
C
ought to get through
D
would have got through
Mr．Jones was so late that his dinner got cold; his wife ______ warm it up．
#87923
A
must
B
had to
C
ought to
D
might