题目内容
( ) 4. ―How should we fight the flu?
―We should do more and change clothes often.
A. exercises B. exercise
C. practice D. homework
4. B exercise作"运动"解时,是不可数名词。
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题目内容
( ) 4. ―How should we fight the flu?
―We should do more and change clothes often.
A. exercises B. exercise
C. practice D. homework
4. B exercise作"运动"解时,是不可数名词。