问题标题：
OnSundayshesometimes_____hisclothesandsometimes_____somehishomework.A.wash/doB.iswashing/isdoingC.washes/does
问题描述：
OnSundayshesometimes_____hisclothesandsometimes_____somehishomework.
A.wash/doB.iswashing/isdoingC.washes/does
康正宁回答：
C因为he是三单,sometimes是一般现在时,所以选c
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