— Our classroom every day．
— So it is. It is our duty to keep it clean and tidy.
| A．cleans | B．is cleaning |
| C．is cleaned | D．was cleaned |
-- ________ can you finish this English examination?
-- In about one and a half hours.
| A．How far | B．How often | C．How soon | D．How long |
-- Would you like some milk?
--________.
| A．Yes, please | B．The same to you |
| C．Help yourself | D．My pleasure |
You __ drive your car so fast. It's very dangerous.
| A．wouldn't | B．shouldn't | C．couldn't | D．mightn't |
--What is Miss Gao's favourite________?
--She is always in pink. Don't you know?
| A．colour | B．book | C．song | D．movie |
---- Would you like to go for a picnic with us ? .
----- __________ . But I am too busy .
| A．No , I can' t. | B．I ' d like. |
| C． Yes , I ' d love to . | D．Why not |