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【英语模拟题】
7. The medicine is on sale everywhere. You can get it at _______ chemist’s.
A. each B. some C. certain D. any
8. You cannot be _______ careful when you drive a car.
A. very B. so C. too D. enough
9. My classmate broke the legs. He has to confine _____ bed.
A. on B. to C. at D. in