Could I smoke here？
Sorry．I am afraid you_____．Look at the sign "No smoking"!（ ）
A．couldn'tB．needn'tC．can'tD．won't
Steve， you've made a lot of progress in Chinese．
_________．（ ）
| A． |
Good luck |
B． |
Not at all |
| C． |
That's right |
D． |
Thank you |
Excuse me． Could you tell me _____？
In half an hour．（ ）
| A． |
what time does the plane take off |
| B． |
what time the plane takes off |
| C． |
what time did the plane take off |
| D． |
what time plane took off |
Do you know the old man _____ wears glasses on TV？
Of course． He's Zhong Nanshan．（ ）
| A． |
who |
B． |
whom |
C． |
which |
D． |
/ |
Is the tall man Mr. Hunt？
No． It _____ be him． He has gone to Chengdu．（ ）
| A． |
can't |
B． |
needn't |
C． |
mustn't |
D． |
won't |
Don't forget _____ off the lights when you leave the classroom．
OK． I'll do that．（ ）
| A． |
turn |
B． |
turns |
C． |
turning |
D． |
to turn |