All of them try to use the power of the workstation ___ information in a more effective way.
| A．presenting |
| B．presented |
| C．being presented |
| D．to present |
— The floor is too dirty.
— I know. It _______ for weeks.
| A．hasn’t cleaned | B．didn’t clean |
| C．hasn’t been cleaned | D．wasn’t cleaned |
— It seems you want to say something, eh?
— Yes, smoking is strictly _______ during the time of your visiting here in the storehouse.
| A．examined | B．warned | C．forbidden | D．defended |
The child walked quietly to the bird. _____into the forest when he was about to catch it.
| A．Flew it away | B．Away flew it | C．Flew away it | D．Away it flew |
You spent 300 yuan on a pair of cotton gloves. Such a pair of cotton gloves _____be worth so much.
| A．mustn’t | B．wouldn’t | C．can’t | D．needn’t |
With more forests being destroyed, huge quantities of good earth _____each year.
| A．is washing away | B．are being washed away |
| C．are washing away | D．is being washed away |