请教几个英语从句的题
1.The quality of teaching should be measured by the degree__the students' potentiality is developed.
A.of which
B.with which
C.in which
D.to which
和develop搭配的介词是from……into啊.这里的介词是怎么来的,
2.I've kept up a friendship with a girl who Iwas at school __twenty year ago.
A.about
B.since
C.till
D.with
我觉得选B,它是现在完成时啊.可是答案是D,为什么啊
3.The computer has drmamatically affected__photographic lenses are constructed.
A.is the way
B.that the way
C.which way do
D.the way
4.The computer has brought about surprising technological changes__we organize and produce imformation.
A.in a way
B.in that way
C.in the way
D.in no way
5.Speech has to be triggered and this depends on interaction between tne mother and the child,__the mother recognizes the cues and signals in the child"s crying ,smiling,and responds to them.
A.when
B.which
C.why
D.where