A. for which B. for that C. in which D. what

　　52.I have bought such a watch _______ was advertised on TV.

　　A. that B. which C. as D. it

　　53.I can never forget the day _______ we worked together and the day ______ we spent together.

　　A. when; which B. which; when C. what; that D. on which; when

　　54.The way ______he looks at problems is wrong.

　　A. which B. whose C. what D./

　　55.This is the reason ______he didn't come to the meeting.

　　A. in which B. with which C. that D. for which

　　56.This machine, ______for many years, is still working perfectly.

　　A. after which I have looked B. which I have looked after

　　C. that I have looked after D. I have looked after

　　57.The reason ______he didn't come was ______he was ill.

　　A. why; that B.that;why C. for that;that D.for which;what

　　58.He is working hard, ______will make him pass the final exam.

　　A.that B.which C.for which D.who

　　59.That is not the way ______I do it.

　　A./ B.which C.for which D.with which

　　60.I have two grammars, ______are of great use.

　　A. all of which B. either of which C. both of that D. both of which