When the thief found the police had already _____him, he ran away quickly.
| A．realized | B．known | C．spotted | D．stared |
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 |
Only when _______ according to the directions strictly will the medicine work well.
| A．taking | B．to take | C．taken | D．being taken |