摘要： isn’t, cleaned
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—What a clean and bright classroom, isn’t it?
—Yes, it’s always clean and bright because it every day.
| A．cleans | B．cleaned | C．is cleaned | D．was cleaned |
—What a clean and bright classroom, isn’t it?
—Yes, it’s always clean and bright because it every day.
A．cleans B．cleaned C．is cleaned D．was cleaned
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—What a clean and bright classroom, isn’t it?
—Yes, it’s always clean and bright because it every day.
—Yes, it’s always clean and bright because it every day.
| A．cleans | B．cleaned | C．is cleaned | D．was cleaned |