We believe governments will a better way to solve the problem of water pollution.
| A．take off | B．put off | C．come up with | D．catch up with |
So far, the moon ________ by man already.
| A．is visited | B．will be visited | C．has been visited | D．was visited |
The work is too hard, so ____ were needed.
| A．another six men | B．six men more | C．more six men | D．men another six |
You must keep your eyes ________.
| A．close | B．closed | C．closing | D．to close |
I met him in a bookshop ______.
| A．the other day | B．next day | C．right now | D．tomorrow |
Chen Hui was chewing gum ________.
| A．any way | B．all the time | C．all time | D．all the same |