【推荐1】clean，my，I，bedroom，want，my，to，mother，don't. （连词成句）
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【推荐2】They haven’t cleaned the floor. (改为被动句)
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【推荐3】它是这两张桌子中更干净的。
It is ________ ________ of the two tables.

【推荐1】Complete the following sentences as required（根据所给要求完成句子。每空格限填一词）
1. The invention of smart phones changed the world in many ways.（改为一般疑问句）
___________ the invention of smart phones _________ the world in many ways?
2. That amusement park has lots of touristsduring the holiday.（就划线部分提问）
_________ ________ that amusement park have lots of tourist?
3. The local government organizes the film festival every autumn.（改为被动语态）
The film festival ________ _________ by the local government every autumn.
4. Shared-bikes are very popular in some big cities.（改为感叹句）
__________ __________ shared-bikes are in some big cities!
5. “Have you ever been in a hot air balloon?” Melissa asked her mom.（改为宾语从句）
Melissa asked her mom _________ she _________ ever been in a hot air ballon.
6. PM 2.5 does harm to people’s health and the environment.（保持句意基本不变）
PM 2.5 is ________ ________ people’s health and the environment.
7. enables, various information, the Internet, to collect, teenagers（连词成句）
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【推荐2】本次的国际风筝节真是太棒了！
________ wonderful the kite festival is！