问题详情：
Complete the following sentences as required （根据所给要求完成句子。62-67小题每空格限填一词）
1．Lucy practises the violin in the club on Friday afternoons.（改为否定句）
Lucy______ ______the violin in the club on Friday afternoons.
2．My sister will take part in the Chinese poem contest in a few days.（对划线部分提问）
______ ______will your sister take part in the Chinese poem contest?
3．The government is taking action to improve air quality.（保持句意不变）
The government is taking action to______ air quality________
4．I have no idea how I can operate the new washing machine.（改为简单句）
I have no idea______ ______operate the new washing machine.
5．The scientists released the picture of a black hole to the world on April10.（改为被动语态）
The picture of a black hole______ ______to the world by the scientists on April 10.
6.“Are you free to come to my place this Saturday?”Aaron asked me.（改为间接引语）
Aaron asked me______ ______free to go to his place that Saturday.
7．their future，learn，teenagers，by themselves，to plan，should（连词成句）
【回答】
1． doesn't practise
2． How soon
3． make better
4． how to
5． was released
6． if/whether was
7．Teenagers should learn to plan their future by themselves.
【解析】
1．根据题意可知是变成否定句，这里是一般现在时态，主语是Lucy，变成否定句用借助助动词does+not+动词原形。根据题意，故填doesn't practise。
2．划线部分是in a few days可知这里用how soon来提问,how soon提问in+一段时间。根据题意，故填How soon。
government is taking action to improve air quality.意思是“*正在采取措施改善空气质量。”make+宾语+形容词作宾语补足语。make air quality better表示是我们的质量更好。Take action to do sth.表示采取行动去做某事。根据题意，故填make； better。
4．I have no idea how I can operate the new washing machine.意思是“我不知道如何*作这台新洗衣机。”这里是how引导的宾语从句，可以转换成疑问词+to do的形式。根据题意，故填how to 。
5．The scientists released the picture of a black hole to the world on April10.意思是“科学家们于10年4月10日向世界公布了一张黑洞的照片。”这里是改为一般过去时态的被动语态，其结构是was/were done的形式。主语是The picture of a black hole，be动词用单数was。根据题意，故填was released。
6．这里是改为间接引语，从句是一般疑问句，要用疑问词if/whether来引导，主句的时态是一般过去时态，be动词用单数was。根据题意，故填if/whether was。
7．Should+动词原形；learn to do sth.表示学者去做某事；plan their future表示计划他们的未来；by themselves靠某人自己。根据题意，故填Teenagers should learn to plan their future by themselves.
知识点：特殊疑问句
题型：句型转换
