Don’t ______ so often. It’s bad for your health.
| A．get up. | B．stay up. | C．look up. | D．show up. |
________ sad news it is! We must try our best to help them out of trouble.
| A．What an | B．What | C．How an | D．How |
The sign “@” in zhonghua @sina.com means ________ .
| A．a. | B．on | C．at | D．in |
The manager ____ nothing about the matter ____ he read his secretary’s report.
| A．had known, when | B．has known, before | C．will know, after | D．knew, until |
I phoned the dentist, he advised me ____ hot things.
| A．not have | B．to not have | C．having no | D．not to have |