一.单选(30题,共15分)
1. If you blood _____ badly, your hands and feet will get cold easily.
A. passes
B. crosses
C. circulates
D. circles
2. --- Shall I open the window to let some fresh air in?
--- No, _____
A. I’d rather not B. I’d rather you not
C. I’d rather you didn’t
D. I’d like not to
3. He got completely _____ when he saw both Lucy and Lily, who are twin sisters.
A. confusing
B. confused
C. confuse
D. confuses
4. The professor referred to
_____ yesterday.
A. come
B. came
C. coming
D. comes
5. ...


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