. Helping others is a habit, _______ you can learn even at an early age.
| A．it | B．that | C．what | D．one |
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 |
Those who brig sunshine into the lives of others cannot keepfrom themselves.
| A．it | B．one | C．those | D．them |