题目内容：

I didn't feel pleased when Icomputer games at home alone
可改写为___ ___ ___ ___ playing computer games at home alone

优质解答

I didn't feel pleased playing computer games at home alone.
原句你少写了两个单词：was playing.
when I was playing computer games at home alone是个时间状语从句,可以把它改成现在分词短语playing computer games at home alone.
不明白的继续追问哟!