1Thequalityofteachingshouldbemeasuredbythedegree___thestudents'potentialityisdeveloped.A.ofwhichB.withwhichC.inwhichD.towhich2Sheaswellastheotherstudents___howtoinstallthiselectricequipment.A.haslearnedB.arelea

　　1Thequalityofteachingshouldbemeasuredbythedegree___thestudents'potentialityisdeveloped.

　　A.ofwhichB.withwhichC.inwhichD.towhich

　　2Sheaswellastheotherstudents___howtoinstallthiselectricequipment.

　　A.haslearnedB.arelearningC.havelearnedD.aretolearn

　　3___divorceourselvesfromthemassesofthepeople.

　　A.innotomeweshouldB.innotimeshouldweC.atnotimeweshouldD.atnotimeshouldwe

　　【另】（我没有分了,我给不了分了）

　　请问,如果我会作上面的题,我需要补充哪方面的知识?