解释句子
1．When I was thinking，the telephone went off．
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2．He learned from a famous singer to improve his skills of singing．
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3．I’d like to drop in on my aunt when I am free.
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4．I’m fed up with wearing the same hairstyle．
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5．Please don’t pull your leg on others．
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1．When I was thinking，the telephone made a sudden noise．
2．He learned from a famous singer to make his skills of singing better．
3．I’d like to pay a visit to my aunt when I am in Tianjing，because I haven’t seen her for a year．
4．I’m tired of wearing the same hairstyle and want to change it．
5．Please don’t play a joke on others．