题干

—I’ve tried to remove these ________ in the carpet but it won’t go away. Can you help me?
--You can try this heavy-duty cleanser. I think it will work.
A.gradesB.pointsC.signsD.marks
上一题 下一题 0.65难度 单选题 更新时间:2018-11-30 12:13:43

答案(点此获取答案解析)