—________ listen to music in class. —Sorry, I won’t do it again.
#59435
A
Let’s
B
Don’t
C
Please
D
Why not
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_______ smoke here, dad. Smoking has been banned in public places.
#59473
A
Don’t be
B
Don’t
C
Not to be
D
Be not
The floor is so dirty .Would you please     ?
#59450
A
to mop up it
B
mop up it
C
to mop it up
D
mop it up
You can see a large signal on the wall:____! 
#66276
A
Long lives the PRC
B
Long live the PRC
C
Long does the PRC live
D
Long do the PRC live
   long time it lasted!
#66234
A
What
B
What a
C
How
D
How a