用于上学期期末测试。
21. —Would you like something sweet or sour?
-----_________.
A .I have a toothache B. I have a sweet tooth C. I make a sweet D. Yes, thanks
22. We always keep _____ spare bags with which we pack the rubbish.
A .a great many B. the number of C. too much D. a great deal of
23. The ____ on her face told me that she was in a blue mood.
A. appearance B. impression C. attitude D. expression
24. At that time they could not produce ______ computer, let alone high—grade ones.
A .normal B. ordinary C. popular D. public














