Your coat is so cool. Could you tell me ________________?
A. where you buy it
B. where did you buy it
C. where you bought it
—Dad，must we wait until the light becomes green？
—Yes，I’m afraid we ________．That’s the traffic rule．
| A．can |
| B．may |
| C．have to |
| D．need |
—It is rather cold here．Shall we light a fire(点火)？
—No，you ________，because things here are easy to catch fire．
| A．won’t |
| B．can’t |
| C．mustn’t |
| D．needn’t |
My sister is ________ a new song．Me，too．
| A．listen |
| B．listening |
| C．listen to |
| D．listening to |
We arrive ________ the Baiyun Airport five minutes late．
| A．in |
| B．／ |
| C．at |
| D．on |
Please ________ in the classroom．
| A．don’t run |
| B．doesn’t run |
| C．not run |
| D．can’t run |