The supermarket provides customers _____ plastic bags for free.
| A．on | B．with | C．of | D．in |
I think it’s good _____ us _____ eat healthy food.
| A．for; to | B．for; for | C．to; for | D．to; to |
——We really shouldn’t use plastic bags any more when shopping.
——_____ It’s important to protect our environment.
| A．So do I. | B．With pleasure. |
| C．That’s OK. | D．So it is. |
Our country _____great progress in science and culture in recent years.
| A．makes | B．has made | C．made | D．make |
The earth _____ around the sun.
| A．moves | B．moved | C．has moved | D．was moving |