小升初英语语法复习：小升初英语语法指导(5)

　　A. would be B. has been C. was D. should be

　　72. It is necessary that we a foreign language.

　　A. must master B. ought to master C. master D. should master

　　73. Most of the students felt rather disappointed at the English party. They say that it ___ better organized.

　　A. had been B. had to be C. must have been D. could have been

　　74. I am surprised that he to help me when I needed it most.

　　A. should refuse B. would have refused

　　C. should have refused to D. may have refused

　　75. Look! Tom is too sleepy to work .He __ up watching TV.

　　A. mustn"t have stayed B. shouldn"t have stayed

　　C. mustn"t stay D. ought not to say.