—It has been nation-widely required that every student ______ have daily exercise for one hour.—Yeah.It is high time that we ______ special attention to physical exercise.
#86879
A
must；should pay
B
should；paid
C
will；shall pay
D
need；pay
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—May I smoke here ?—If you ____, choose a seat in the smoking section.
#90273
A
should
B
could
C
may
D
must
—Did you meet with the famous space hero , Yang Liwei ?— I had come here earlier !
#88988
A
If only
B
If not
C
But for
D
For fear
---Why didn’t you reared him of the possible danger?---But what otherwise? He never listens to me.
#86877
A
could I do
B
could I have done
C
should I do
D
must I have done
Had it not been for the police’s help, Peter his bicycle yesterday afternoon.
#87214
A
could not find
B
could not have found
C
didn’t find
D
hadn’t found