根据要求完成句子。
1. visit / Disneyland / they’re / to / going ( . ) ( 连词成句 )
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2. The CN Tower is one of the tallest tower in the world. ( 改为一般疑问句 )
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3. We are going to visit the Forbidden City this summer holiday. ( 对画线部分提问 )
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4. Are you going to Singapore with your father? ( 作否定回答 )
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5. I learn about the history of Canada. ( 把I变为my friend )
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