That light rail transit line(轻轨), __ _in July 2009 and ___ in 2012, will be China’s longest light rail transit line in history.
| A．starting, completing | B．started, to be completed |
| C．to start, completed | D．starting, completed |
Teenagers ______ their health because they play computer games too much.
| A．have damaged | B．are damaging | C．damaged | D．will damage |
The World War II made ______ impossible for Einstein to go on with his research.
| A．him | B．this | C．it | D．that |
It’s not ______ good idea to drive for four hours without ______ break.
| A．a; a | B．the; a | C．the; the | D．a; the |
--- Would you be able to go to the party ?
--- _______.
| A．I don’t expect | B．I’m afraid not | C．I don’t think so | D．I believe not |
Three fourth of the homework _______ today .
| A．has finished | B．has been finished | C．have finished | D．have been finished |