题目内容
—When you keep goldfish, it is a good idea to put some stones at the of the tank(鱼缸).
—So the fish can hide behind them.
A. middle B. top
C. front D. bottom
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题目内容
—When you keep goldfish, it is a good idea to put some stones at the of the tank(鱼缸).
—So the fish can hide behind them.
A. middle B. top
C. front D. bottom