作业帮She______unhealthy food.She__fitA、never eats ;is always B、eats never;is always C、never eats;always is
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She______unhealthy food.She__fitA、never eats ;is always B、eats never;is always C、never eats;always is
She______unhealthy food.She__fit
A、never eats ;is always B、eats never;is always C、never eats;always is
She______unhealthy food.She__fitA、never eats ;is always B、eats never;is always C、never eats;always is
频度副词是指表示动作发生的次数副词,常见有的never,seldom,sometimes,frequently,often,usually,always 等.
频度副词通常位于实义动词之前,动词be、助动词、情态动词等之后.
所以选A
A啊
A
She______unhealthy food.She__fitA、never eats ;is always B、eats never;is always C、never eats;always is
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F.F是什么法兰
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m/m mm/m m/f f/f f/m/f f/f
f(x)=sinx,求导f('f(x)),f(f'(x)),[f（f(x)）]'
y=f(f(f(x))) 求导
向心力F=T+f?f是?
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