I’d like to know ______Chinese.
| A．whenhebegantolearn | B．whendidhebegintolearn |
| C．whendidhebeginlearning | D．forhowlonghebegantolearn |
______ to as much English as possible is a good way to learn English well.
| A．Exposed | B．Being exposed | C．Having exposed | D．To expose |
-- What do you think of ____opening ceremony of the national games?
--It is simple but ____great success.
| A．an; a | B．the; a | C．a; the | D．the; the |
The wireless video camera is ________to send its video signal to a nearby base station，allowing it to be viewed on a computer or a television．
| A．persuaded | B．pretended | C．intended | D．advised |
________about the result of the experiment，he still wants to give it a try．
| A．Uncertain as he is | B．As uncertain he is |
| C．As he is uncertain | D．Uncertain is he as |
Nearly 56 percent of Chinese believe that traffic order got even worse after tightened traffic regulations ______at the beginning of 2013.
| A．have been adopted | B．were adopted |
| C．adopted | D．had adopted |