On September 22, more than 150 Chinese cities, including Beijing, observed world Car Free Day to low-carbon travel.
| A．promote | B．protect |
| C．imitate | D．contact |
If you hurry up, I think it quite that you’ll catch the flight.
| A．probably | B．likely | C．possibly | D．certainly |
It was only with the help of the local guide .
| A．was the mountain climber rescued | B．that the mountain climber was rescued |
| C．when the mountain climber was rescued | D．then the mountain climber was rescued |
Bill Clinton became the youngest-ever US governor when he wasto represent Arkansas.
| A．selected | B．chosen | C．picked | D．elected |
. By the time you arrive in London, wein Europe for two weeks.
| A．shall stay | B．have stayed | C．will have stayed | D．have been staying |
. It’s nothing unusual to experience failure, and ought we to be so discouraged.
| A．in no time | B．by all means | C．by no means | D．in any condition |