根据汉语意思完成句子。
1.Doing more exercise like running helps to1.build up (增强)our body.
2.All of us should2.give up (戒除) smoking.
3.I want go be a doctor3.in the future (将来)
4.Mum, don’t (担心)4.worry about me. I’ll take good care of myself.
5.Why don't you5.lie down （躺下）？
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解析：此题重点考查单词的正确书写和各种形式的正确运用。