几道历年的单选真题不太懂,

题目

几道历年的单选真题不太懂,
1.All___is a continous supply of the basic necessities of life.
A.what is needed C.the thing needed
B.for our needs D.that is needed
我选的是C,为什么选D呀
2.The manager promised to keep me___of how business was going on.
A.to be informed C.informed
B.on informing D.informing
我选的是A,不是被动语态要加be吗?为什么是C呀?
3.Evidence came up___specific speech sounds are recognized by babies as young as 6 months old.
A.what C.that
B.which D.whose
我选的是D,那个说实话,这道题的中文谁给我翻译下,我看到都看不懂．．．
4.___the advances of science,the discomforts og old age will no doubt always be with us.
A.As for C.Except
B.Besides D.Despite
我选的A,这一题我也不懂中文什么意思,麻烦帮我讲解下啦．
注意不要看错B和C的顺序哦～

答案

1,All___is a continous supply中ALL为主语,THAT是它的定语从句ALL做先行词用THAT 引导,建议复习一哈定语从句
2,keep应该在这相当于使役动词,KEEP SB.V-ED结构
3,that 引导的是同位语从句,先行此为EVENDIENCE,全句意思是婴儿在6个月大小是就能识别specific speech sounds 已被证明.
4,如果没有科学的进步,old age的种种不便将无疑的always be with us.一直困扰我门.