— What a clean and bright classroom, isn't it? — Yes, it's always clean and bright because
— What a clean and bright classroom, isn't it? — Yes, it's always clean and bright because it _____every day.
题目简介
— What a clean and bright classroom, isn't it? — Yes, it's always clean and bright because
题目详情
— What a clean and bright classroom, isn't it?
— Yes, it's always clean and bright because it _____every day.
B. cleaned
C. is cleaned
D. was cleaned
答案