267.The parkers bought a new house but _________ will need a lot of work before they can move in.
A．they
B．it
C．one
D．which
268.Nine in ten parents said that there were significant differences in their approach to educating their children compared with _____ of their parents.
A.those
B.both
C.one
D.that
267.答案是B;it指代前面的a new house,而one泛指同类中的某一个。
268.答案是D；此题that指代the approach。
