题目内容：

阅读表达

A mother duck and her little ducklings were on their way to a lake one day. The ducklings were very happy following their mother and quack-quacking along the way.

    ▲    , the mother duck saw a fox far away. She was afraid, and shouted, “Children, hurry to the lake. There’s a fox!”

The ducklings hurried towards the lake. The mother duck thought for a minute and began to walk dragging one wing（拖着一只翅膀）on the ground.

When the fox saw her, he became happy. He said to himself, “She must be hurt and can’t fly! I can easily catch and eat her!” Then he ran towards her.

The mother duck ran, leading the fox away from the lake. The fox followed her. Now he wouldn’t be able to harm her ducklings. The mother duck looked towards her ducklings and saw them get to the lake. She was relieved（松口气）, so she stopped and took a deep breath（呼吸）.

The fox thought that she was tired and he came closer, but the mother duck quickly spread her wings and rose up in the air. She landed in the middle of the lake and her ducklings swam to her happily.

The fox was sad looking at the mother duck and her ducklings. He could not reach them because they were in the middle of the lake.

根据短文内容完成下列任务：

1.Where did the story happen?（不少于4个单词）

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2.在▲空格处填入一个适当的单词。

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3.Why was the fox happy when he saw the mother duck?（不超过10个单词）

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4.将文中划线的句子译成汉语。

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5.给短文拟一个恰当的英文标题。

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