Don’t be so discouraged. If you ______ such feelings, you will do better next time.
| A．carry on | B．get back | C．break down | D．put away |
No such authorization ______ be given without the president’s written permission.
| A．should | B．shall | C．would | D．may |
eBay sells connections，not goods，______ buyer and seller into contact with each other.
| A．being put | B．putting | C．has put | D．puts |
With more forests being destroyed，huge quantities of good earth ______ each year.
| A．is washing away | B．is being washed away |
| C．are washing away | D．are being washed away |
It is said that the meeting ______ for three hours. Why should I regret missing it?!
| A．has been lasted | B．has been lasting | C．lasted | D．had lasted |