---- _______. He should have been given a more difficult one.

　　　　A. No, it was B. Yes, it was C. Yes, it wasnt D. No, it wasnt

　　　　17. ----It was careless of you _____ your clothes outside all night.

　　　　----My God! _______.

　　　　A. to leave; So did I B. leaving; So do I

　　　　C. to have left; So I did D. having left; So do I

　　　　18. Was it 8 oclock ______ you heard someone ______ at the door?

　　　　A. when; knocking B. when; knock

　　　　C. that; knocking D. that; knock

　　　　19. Only when ____________ possible to settle the problem.

　　　　A. does the chief editor come will it be

　　　　B. the chief editor comes will it be

　　　　C. has the chief editor come it will be

　　　　D. the chief editor comes it will be

　　　　20. Americans eat ________ vegetables per person today as they did in 1910.

　　　　A. more than twice B. as twice as many

　　　　C. twice as many as D. more than twice as many

　　　　21. ___________ lessons were not difficult.

　　　　A. Our few first short English B. Our first few short English

　　　　C. Our few first English short D. Few our first English short

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