. Will you please keep quiet now? You shouldn’t talk until ________ to.
| A．asking | B．having asked | C．to ask | D．asked |
______ terrible life the people in the mountains lived at that time！
| A．What | B．What a | C．How | D．How a |
Our teacher lives in a poorly decorated apartment, ______ the south.
| A．that window opens | B．the window of which opens to |
| C．whose window open to | D．the window of it opens to |
I was about to leave my house______ the telephone rang.
| A．while | B．as | C．when | D．and |
A computer costs about ______ of a typewriter.
| A．the nine-time price | B．nine times price |
| C．the nine times price | D．nine times the price |
---When did you arrive here?
---Just ______when you left.
| A．in the same morning | B．on the night |
| C．at the night | D．on very afternoon |