1)The teachers don't know ____to start and run a school.
A.what it takes B.what they take
注:选“A”,并说明不选B答案的理由
2)To what extent will future scientific discoveries____possible the lengthening of the human life?
A.make B.be made it
注:选“A”,说明理由 ,并翻译这个句子
3)The flowers ____,otherwise they will wither.
A.need be watered B.need watering
注:选“B”,并说明不选A答案的理由
4)It was suggested that a special committee of five members___to investigate the case.
A.are appointed B.be appointed
注:选“B”,并说明不选A答案的理由
5)It is important that an undergraduate ____a grade point average of"A"in his major field.
请翻译这个句子
谢谢!(&o&)
5)题空为maintain