All the drivers_______ reduce speed when driving near the zebra crossing．（ ）
A．canB．can'tC．mustD．mustn't
Must I stay here with you，Mum？（ ）
No，you ．You may go home now，but you go to the net﹣bar．
| A． |
mustn't； needn't |
B． |
needn't； mustn't |
| C． |
must； need |
D． |
need； must |
We can use VQR code（二维码） to find information on the cell phone now．（ ）
Really？Can you show me it'？
| A． |
how I can use |
B． |
how can I use |
| C． |
why can I use |
D． |
what I can use |
We have built a high﹣speed train station in Anshun now．（ ）
Wow， !It'll be more convenient for us．
| A． |
what an excited news |
| B． |
how excited the news is |
| C． |
what exciting news |
| D． |
how exciting news |
Sara is the girl has taught me how to use Wechat（徼信）．（ ）
| A． |
whom |
B． |
which |
C． |
what |
D． |
who |
Don't make any noise，because the baby _______ in the next room．（ ）
| A． |
is sleeping |
B． |
sleeps |
| C． |
will sleep |
D． |
was sleeping |