She often ____her mother A.help B.helps C.helping
问题描述:
She often ____her mother A.help B.helps C.helping
答
B,一般现在时,主语是第三人称单数时,谓语需要加S/ES
She often ____her mother A.help B.helps C.helping
B,一般现在时,主语是第三人称单数时,谓语需要加S/ES