英语倒装句几题练习题和一题简单句

英语倒装句几题练习题和一题简单句
解释一下,这几题.我倒装不是太懂
1.____for the free tickets,I would not have gone to the films so often.
A.If it is not
B.Were it not
C.Had it not been
D.If they were not
2.____for my illness I would have lent him a helping hand.
A.Not being
B.Had it not been
C.Without being
D.Not having been
3.Money,___,has been the least of our worries.
A.important though it is
B.so important it is
C.important if it is
D.it is important though
4.____the door than somebody started knocking on it.
A.I had closed no sooner
B.I had no sooner closed
C.No sooner have I closed
D.No sooner I closed
5.____should one ignore his mistakes.
A.To any extent
B.In any event
C.In spite of all
D.By no means
6.Man may disappear___other creatures who became too specialized to survive their environment.
A.asB.just asC.as ifD.as have
答案分别是CBABDD
还有一题简单句
A.All that glitters is not gold.
B.All is not gold that glitters.
C.None is gold that glitters.
D.Not all gold glitters.
The correct statements are___
A.A,CB.B,CC.C,DD.A,B
答案选B,为什么
A对我知道,可是B我觉得意思不太对
还有D为什么错
谁能解答,谢谢了