A. that B. / C. which D. it

　　72. The clever boy made a hole in the wall, _______ he could see _____ was going on inside house.

　　A. which; what B. through which; what C. through that; what D. what; that

　　73. Is _______ some German friends visited last week?

　　A. this school B. this the school C. this school one D. this school where

　　74. John got beaten in the game, _______ had been expected.

　　A. as B. that C. what D. who

　　75. I have bought two ballpens, _______ writes well.

　　A. none of them B. neither of them C. neither of which D. none of which

　　76. All that can be eaten _______ eaten up.

　　A. are being B. has been C. had been D. have been

　　77. It is _____ to spend money on preventing illness by promoting healthy living rather than spending it trying to make people _____ after they are ill.

　　A. good; good________B. well; better C. better; better D. better; good

　　78. I know nothing about the young lady______ she is from Beijing.

　　A. except B. except for C. except that D. besides

　　79. —Must I turn off the gas after cooking?

　　—Of course. You can never be ____careful with that.

　　A. enough B. too C. so D. very

　　80. He never said that he was good at mathematics, _____

　　A. was he B. wasn’the C. did he D. didn’t he