题目内容
2. —Have they ever been to a science museum?
--.
A. Yes,they did B. No,they have
C. Yes,they haven’t D. Yes,they have
2.D
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题目内容
2. —Have they ever been to a science museum?
--.
A. Yes,they did B. No,they have
C. Yes,they haven’t D. Yes,they have