This new kind of chemicals will help keep the air, soil and water________ from pollution.
| A．free | B．empty | C．loose | D．short |
--How much pepper did you put in the soup?
--I'm sorry to say, ____. I forget.
| A．no one | B．none | C．nothing | D．no |
James has put on so much weight recently that his mother has to ______ all his trousers to his measure.
| A．bring in | B．give away | C．let out | D．make up |
Thank you for sending us ____ fresh vegetables of many kinds. You have done us ____ great service.
| A．不填；a | B．the；a | C．不填；不填 | D．the；不填 |
Which sentence is wrong?
| A．The professor lives in the room whose windows face south. |
| B．Don’t enter the house its roof has been destroyed in the hurricane.(飓风) |
| C．We prefer the students who like challenging themselves. |
| D．I still remember the name of the village we visited last year. |
I found the homework was not so heavy as ________ I ________ to get in my old school.
| A．that; was used | B．what; used | C．which; used | D．that; used |