You will miss the bus if you ____quick.A.don't be .B.aren't

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You will miss the bus if you ____quick.A.don't be .B.aren't

You will miss the bus if you ____quick.A.don't be .B.aren't
You will miss the bus if you ____quick.A.don't be .B.aren't

You will miss the bus if you ____quick.A.don't be .B.aren't
B
条件状语从句的规定是,主将从现,从句一般现在时,be quick 前面的主语是you,用are
不快 aren't quick,选 B
quick是形容词,前面用连系动词,be quick表示快的,
不是用助动词 do quick

A
条件状语从句,主句用将来时,从句用一般现在时
quick是形容词,所以要加be

选B