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21. His brother is ________ university student of ________ biology, and will graduate next year.
A. a; ²»Ìî B. an; ²»Ìî C. a; the D. an; the
22. - Would you like to go to the art gallery or stay at home? -_____.
A. Oh, let’s go. B. I’d prefer to. C. I’d rather stay at home D. Ok, I prefer art.
23. Shirley said that she would have a two-week holiday in July, ___, I think, is impossible.
21. His brother is ________ university student of ________ biology, and will graduate next year.
A. a; ²»Ìî B. an; ²»Ìî C. a; the D. an; the
22. - Would you like to go to the art gallery or stay at home? -_____.
A. Oh, let’s go. B. I’d prefer to. C. I’d rather stay at home D. Ok, I prefer art.
23. Shirley said that she would have a two-week holiday in July, ___, I think, is impossible.

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