–-We want to sit at the table near the window.
---I am sorry, but it ___ already.
| A．took | B．takes | C．has been taken | D．is taking |
Listening to loud music at rock concerts __________ caused hearing loss in some teenagers.
| A．is | B．are | C．has | D．have |
____________________ to the party, Joan was greatly hurt.
| A．Having not been invited. | B．Having not invited |
| C．Not having been invited | D．Not having invited |
Now the people in that mountain village are _____________than they were 10 years ago.
| A．well off | B．better off | C．badly off | D．worse off |
The five rings ____________the close unity and friendly meeting at the Olympics between athletes from five continents.
| A．prove | B．represent | C．defeat | D．explain |
Dorothy was always speaking highly of her role in the play, ________,of course , made the others unhappy.
| A．which | B．who | C．this | D．what |