what is your brother able--------?
| A．to do | B．do | C．to doing | D．does |
There’s no way of knowing why one man makes an important discoveryanother man, also intelligent, fails.
| A．since | B．If | C．as | D．while |
India attainedindependence in 1947, afterlong struggle.
| A．不填;a | B．the; a | C．an;不填 | D．an; the |
At the last moment, Tom decided toa new character to make the story seem more likely.
| A．put up | B．put in | C．put on | D．put off |
The dooropen , no matter how hard she pushed.
| A．shouldn’t | B．couldn't | C．wouldn't | D．mightn't |
The driver wanted to park his car near the roadside but was asked by the police.
| A．not to do | B．not to | C．not do | D．do not |