On Sundays he sometimes _____ his clothes and sometimes _____ some his homework.A.wash/ do B.is washing/ is doing C.washes/ does
问题描述：
On Sundays he sometimes _____ his clothes and sometimes _____ some his homework.
A.wash/ do B.is washing/ is doing C.washes/ does
答
方法是：由sometimes确定是一般现在时，再由he确定是三单，所以答案是C无疑！
答
C On Sundays ， sometimes 属一般现在时时间状语，主语是he第三人称单数，所以动词也要用第三人称单数
答
C 因为he是三单,sometimes是一般现在时,所以选c