—why, Jack, you look so tired!
—Well, I _____the house and I must finish the work tomor
row.
| A．was painting | B．will be painting | C．have painted | D．have been painting |
--- Why do you suggest Mount Lu?
--- I believe________ beauty of nature there will make________ excellent impression on you.
| A．不填; an | B．the; the |
| C．a; the | D．the; an |
-–Could you take my place and go to meet Smith?
---________.
--- He is a tall man wearing short hair.
| A．Why me this time? |
| B．Are you familiar with him? |
| C．How can I recognize him? |
| D．What would you like to tell me? |
The population of Africa is ________ so rapidly as to cause great concern of the whole world.
| A．expanding | B．stretching |
| C．extending | D．spreading |
Young people are under great pressure. Thus parents shouldn’t expect too much from them, for it will only cause pressure to ________.
| A．pick up | B．turn up |
| C．break up | D．build up |
The Voice of China has set up a big stage for young people with a gift for music, ________some of them have stood out among others.
| A．which | B．when | C．who | D．where |