求大神做下英语名词从句十道题,身上只剩这么点分数 了,

求大神做下英语名词从句十道题,身上只剩这么点分数 了,
50.That is _____ .
A.where lived he there B.where did he live
C.where he lived D.that where he lived
51.The questions is _____.
A.whether is it worth doing B.that if it is worth doing
C.whether it is worth doing D.if it is worth doing
52.Water will continue to be _____ it is today next in importance to oxygen.
A.how B.which C.what D.as
53.That's_____.
A.how did I become a teacher B.how I became a teacher
C.how a teacher I became D.that I became a teacher
54.They are just _____.
A.that what shall I have B.what shall I have
C.that I shall have what D.what I shall have
55.It looked ____.
A.as if it was going to rain B.that as if it was going to rain
C.as if was it going to rain D.as if that it was going to rain
56.That's_____.
A.how she did it B.that how did she do it.
C.how did she do it D.what she did it
57.That is _____ we decided to put the discussion off.
A.where B.which C.that D.why
58.That's _____ I lived when I was ten years old.
A.where B.at which C.there where D.when
59.My suggestion is _____ we should send a few comrades to help them.
A.if B.that C.when that D.that where
60.The idea _____ all people are selfish is wrong.
A.what B.that C.why D.if