The police recommended parents __________their children under 12 to ride to school for safety. allow
#87362
A
not allow
B
do not allow
C
mustn’t allow
D
couldn’t
推荐题目
"______ the friendship between our two people last forever!", and with this sincere hope, the president concluded his speech.
#89986
A
Could
B
May
C
Would
D
Must
If we had taken such effective measures much earlier, the river ________ so seriously now.
#86813
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted
—What does the sign over there read?—“No person___smoke or carry a lighted cigarette,cigar or pipe in this area.”
#89077
A
will
B
may
C
shall
D
must
“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.”
#89541
A
must; could
B
may; might
C
need; must
D
could; need
It rained a lot during their journey,so they _______ have had a good time.
#89808
A
can’t
B
must
C
shouldn’t
D
might
