Lin Gao asked Jim _____ the Christmas tree.
| A．how to decorate | B．what to decorate |
| C．how did he decorate | D．what did he decorate |
— What is that building ______ construction ?
— It looks like a hospital..
| A．under | B．on | C．in | D．through |
Honestly speaking, I would agree with Shirley, though not ______.
| A．entirely | B．widely | C．possibly | D．eventually |
Every possible means ______ to prevent the air pollution, but the sky is still not clear.
| A．has been used | B．have been used | C．is used | D．are used |
My father and my mother have been married for 30 years, and never once ______ with each other.
| A．they have quarrelled | B．did they quarrel |
| C．had they quarrelled | D．have they quarrelled |
Although the old man was ______ death, he still fought with the disease bravely.
| A．at the end of | B．on the top of |
| C．at the edge of | D．on condition that |