关于Whatisyoursisterdoin的百科

• —Whatisyoursisterdoing?    —She

• 问题详情：—Whatisyoursisterdoing?    —She________mymomwithcooking.        A.helping          B.helps                       C.ishelping【回答】C知识点：动词时态题型：选择题...
• 2021-02-0421395