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She entered the room ( )I was watching TV.请问括号里填when还是whilewhen和while都可以加do或者doing

题目详情
She entered the room ( )I was watching TV.
请问括号里填when还是whilewhen和while都可以加do或者doing
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答案和解析
是的.这里when和while都可以填的.她进房间时我正在看电视.