When the lawyer asks you questions about the case，you should be________.
| A．on duty |
| B．on guard |
| C．on purpose |
| D．on watch |
Barrack Obama’s recent visit to the Asian nations clearly sent a message to the world
______ Asia is important in America’s global partnership.
| A．which | B．where | C．that | D．as |
I don’t smoke now, but I ____for almost ten years.
| A．ever smoked | B．have ever smoked | C．had ever smoked | D．was ever smoking |
The dying man is _____ the help of the doctor.
| A．outside | B．without | C．out of | D．beyond |
To read a novel before going to bed seems to me a rule ____.
| A．to never break | B．never to have broken |
| C．never to be breaking | D．never to be broken |
—Tom isexperienced in driving than Jack.
—,neither passed the test.
| A．not more; No | B．no more; No | C．not more; Yes | D．no more; Yes |