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1. There ___________ a pond before
A. wasn’t B. weren’t C. isn’t D. aren’t
2. There aren’t __________swings here.
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¶þ£¬µ¥ÏîÑ¡Ôñ£¨2*10=20£©
1. There ___________ a pond before
A. wasn’t B. weren’t C. isn’t D. aren’t
2. There aren’t __________swings here.
A. a B. one C. some D. any

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