Don't you know passengers ________ smoke on high﹣speed trains？（ ）
| A． |
needn't |
B． |
mustn't |
C． |
wouldn't |
D． |
couldn't |
Honey，how are you feeling now？
I am much better，Mum．So you ________ take me to see the doctor．（ ）
| A． |
can't |
B． |
mustn't |
C． |
needn't |
D． |
couldn't |
Angela is very active．She is than most of girls in her class．（ ）
| A． |
very outgoing |
B． |
much outgoing |
| C． |
more outgoing |
D． |
the most outgoing |
smoke，boys．You are not allowed to do that．（ ）
| A． |
Don't |
B． |
Don't be |
C． |
Not |
D． |
Not be |
Learn to smile．A smile costs ，but gives so much（ ）
| A． |
Nobody |
B． |
nothing |
C． |
anything |
D． |
everything |
My cousin missed"I am a Singer"last Friday．
But he can watch it on line at any time．（ ）
| A． |
Try your best． |
B． |
I don't think so． |
| C． |
Don't do that！ |
D． |
What a pity！ |