The zoo asks the visitors the animals．（ ）
| A． |
not feed |
B． |
not to feed |
C． |
don't feed |
Our classroom is so clean．
It ___________ every day．（ ）
| A． |
is cleaned |
B． |
was cleaned |
| C． |
cleans |
D． |
cleaned |
Is Mr Brown driving here？
I'm not sure．He ______ come by train．（ ）
| A． |
may |
B． |
shall |
C． |
need |
D． |
must |
Could you tell me_______？
At nine o'clock，in ten minutes．（ ）
| A． |
how will he leave |
B． |
when he has left |
| C． |
why he is leaving |
D． |
when he will leave |
Would you like some tea？
______．（ ）
| A． |
Yes，please |
B． |
The same to you |
| C． |
Me，too |
D． |
My pleasure |
______ can you finish your homework？
In about an hour．（ ）
| A． |
How long |
B． |
How soon |
C． |
How often |
D． |
How far |