1.I have been like this since last week.(就画线部分提问）（在since last week下面画线）
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_How__ _long__ have you been like this?
2.Xiao Ming came to this city three days ago.(改为同义句）
Xiao Ming _has__ _been__in this city for three days.
3.The old farmer died the day before yesterday.(改为同义句）
The old farmer has been __dead_ _since__ two days ago.
4.Lucy bought the new computer yesterday.(改为同义句）
Lucy _has__ _had/owned__ the new computer __for_ one day.
5.I have kept this book for several days .(改为同义句）
I _borrowed__ this book several days_ago__.