A. which B. who C. what D. as

　　42.He isn't such a man ______he used to be.

　　A. who B. whom C. that D. as

　　43.He is good at English, ______we all know.

　　A. that B. as C. whom D. what

　　44.Li Ming, ______to the concert enjoyed it very much.

　　A. I went with B. with whom I went C. with who I went D.I went with him

　　45.I don't like ______ as you read.

　　A. the novels B. the such novels C. such novels D. same novels

　　46.He talked a lot about things and persons ________they remembered in the school.

　　A. which B. that C. whom D. what

　　47.The letter is from my sister, ______is working in Beijing.

　　A. which B. that C. whom D. who

　　48.In our factory there are 2,000 workers, two thirds of ____are women.

　　A. them B. which C. whom D. who

　　49.You're the only person ______I've ever met ______could do it.

　　A. who;/ B./; whom C. whom;/ D./; who

　　50.I lost a book, ______I can't remember now.

　　A. whose title B. its title C. the title of it D. the title of that