问题补充：
He was watching TV
答案：
He was watching TV_while_ _I_ _was_ _at_ _work_.
======以下答案可供参考======
供参考答案1:
when I was at work
时间：2023-10-06 15:21:41
He was watching TV
He was watching TV_while_ _I_ _was_ _at_ _work_.
======以下答案可供参考======
供参考答案1:
when I was at work
Tom was three years old. He liked to watch TV with his parents after supper but his paren
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