--- Hi, Tracy, you look tired.
--- I’m tired. I ______ the living room all day.
| A．painted | B．had painted | C．have been painting | D．have pained |
I'd like to take _____ of this opportunity to thank you all for your cooperation.
| A．profit | B．benefit | C．advantage | D．interests |
I could tell he was surprised from the _____ on his face.
| A．appearance | B．view | C．sight | D．expression |
We had a marvelous holiday: only the last two days were slightly _____ by the weather.
| A．damaged | B．hurt | C．ruined | D．spoiled |
The book seems to have been _____ from various books and articles.
| A．pieced together | B．taken off |
| C．broken away | D．pulled out |
As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.
| A．exposure | B．distribution | C．expansion | D．emission |