She often helps her mother ( ) her homework.用 do Or does

She often helps her mother ( ) her homework.用 do Or does She often helps her mother ( ) her homework She often helps her mother --- she often helps her mother do cleaning（对helps her mother提问） she often helps her mother do cleaning(对helps her mother提问） She often helps her mother do the c___. she often helps her mother(to)do some housework she often helps her mother do some__(wash) she often helps her mother do the housework(yesterday)改写 She often does her homework at school. she often does her homework after supper 用when提问 She often helps her mother ---- the housework.A to do B do C