问题描述：
1.I have caught a bad cold these days.
2.He has bought a jacket for a week.
3.She has put her handbag in the room two hours ago.
4.I’ve never gone to the Great Wall before.
5.While I get to the airport,the plane had taken off.
2.He has bought a jacket for a week.
3.She has put her handbag in the room two hours ago.
4.I’ve never gone to the Great Wall before.
5.While I get to the airport,the plane had taken off.
问题解答：
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