When a space shuttle has accomplished its _____, it can be ready for another trip in about two weeks.
| A．venture | B．mission | C．commission | D．responsibility |
He is really like a gentleman and he usually the door open to let the ladies go first.
| A．holds | B．leaves | C．keeps | D．makes |
QQ,you can chat with your friends, makes communication easy.
| A．as | B．which | C．that | D．where |
The couple did have a quarrel about money last night, but now they have already.
| A．taken up | B．made up | C．put up | D．brought up |
As we know,Potala Palace（布达拉宫）,a combination of Tyibetan constriction art and culture, is consideredprecious treasure of China.
| A．不填；a | B．the; a | C．the; the | D．the;不填 |
Half a month later, he found his lost motorcyclein the woods off the highway.
| A．abandoned | B．rented | C．donated | D．refused |