看图写话。根据所给图片的提示，完成句子。
1. A: Where did the bird fly?
B: ________ ________ ________ the sky.
2. A: How many hours did Yang Liwei spend in space?
B: He ________ ________ ________ hours in space.
3. A: What did Helen learn to do?
B: She ________ ________ ________.
4. A: What did Tom do when he grew up?
B: He went round the world and ________ ________ ________.
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