—_________students took part in planting trees on March .12 this year.
— Yes. It is said that ________ the students is 300.
| A．The number of ; a number of | B．A number of; the number of |
| C．The number of; the number of | D．A number of; a number of |
—Don’t take pictures here，please．
—________．
| A．No way |
| B．Sorry，I won’t |
| C．Here you are |
| D．It’s a pleasure |
If we see the sign“________”in public，we can’t park our cars there．
A． |
B． |
C． |
D． |
—Wow！What a ________ park！You can hardly hear the traffic！
—Yes，and no one is shouting．
| A．noisy |
| B．busy |
| C．crowded |
| D．quiet |
Excuse me，sir．You ________ open the door before the train stops．
| A．mustn’t |
| B．needn’t |
| C．may not |
| D．don’t have to |
—When will the plane ________ Shanghai？
—Sorry，I don’t know．
A．get
B．arrive at
C．reach