I remember _______ the key in the box under the bed, but it’s not there!
| A．putting | B．to put | C．put | D．being put |
When _____ the prices of these goods, we must take everything into consideration.
| A．compared | B．comparing | C．to compare | D．compare |
Only when he read the newspaper _____ the US President Obama would deliver a speech in Fudan University.
| A．he knew | B．he knows | C．does he know | D．did he know |
---- Is it convenient for you if I come to see you at 4:00 this afternoon?
---- I’m afraid not. I _____ a meeting then.
| A．will have had | B．am about to have | C．will be having | D．was having |
Mr. Black was so____ to his research that he seldom cared about what happened around him.
| A．devoted | B．concerned | C．absorbed | D．used |
With more forests destroyed, a huge amount of good earth ____ each year.
| A．is washing away | B．is being washed away |
| C．has been washing away | D．were being washed away |