题目内容
Our classroom must __________ every afternoon.
A. clean B. cleans C. cleaned D. be cleaned
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---That's true．I ran out as quickly as possible．（ ）
| A． | when | B． | while | C． | then | D． | which |
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| A． | Three days ago | B． | One week ago | C． | One week ago |
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| A． | She does her homework and does sports | |
| B． | She does her homework and reads newspapers | |
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