Let'scleanthelivingroombeforeyourmomcomesbackfromwork..Ifshethismess，she'llgetangry!（）A.seesB.sawC.willseeD.haveseen
Let's clean the living room before your mom comes back from work..If she _______ this mess，she'll get angry!（ ）
A. sees
B. saw
C. will see
D. have seen
设空处所在句子是if引导的条件状语从句，其中主句用了一般将来时即"她会生气的"，根据"主将从现"的原则，从句用一般现在时即可，主语是she，动词see用第三人称单数形式；故选A．
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