Visitors___not to touch the exhibits
| A．will request |
| B．request |
| C．are requesting |
| D．are requested |
The number of people who can afford to buy their own houses ________ more than 80%, but a number of houses _________.
| A．are; hasn’t been built | B．are; has built |
| C．is; haven’t been built | D．is; have built |
After dinner George gave Mr. Lee ________ride to________ Beijing Capital International Airport.
| A．the；a | B．a；the | C．/；a | D．/；the |
I don’t think the risk they took ______ the poisonous snake is worthwhile.
| A．being caught | B．of catching |
| C．caught | D．to be caught |
--- Did you arrive at the stadium early yesterday afternoon?
--- Yes. It was not yet 2 o’clockI got there.
| A．that | B．before |
| C．until | D．when |
You should make it a rule to leave things _______ you can find them again.
| A．when | B．where |
| C．in which | D．there |