—______did Prince William's wedding（婚礼） last?
—It lasted for about 5 hours.
A. How far b. How long C. How soon D. How often
—Simon, I wonder _______.
—Last Saturday.
| A．when the foreign visitors arrived | B．when did the foreign visitors arrive |
| C．when the foreign visitors will arrive | D．when will the foreign visitors arrive |
Young people usually_________ city life to country life while old people _______ enjoy country life.
| A．would rather; prefer | B．prefer; would rather |
| C．would rather; would rather | D．prefer; prefer |
The food in the fridge ________ bad. Throw it away, please.
| A．is smelt terrible | B．smells terrible | C．smells terribly | D．is smelt terribly |
The factory ______ its waste into the river, but now it deals with the waste in a new way.
| A．used to dump | B．is used to dump |
| C．used to dumping | D．is used to dumping |
For everyone’s safety, we ___________ a1ways remember the law against driving after drinking.
| A．could | B．should | C．might | D．would |