Arrange the following sets of words to make meaningful sentences: (Sắp xếp các nhóm từ sau để tạo thành các câu có ý nghĩa:)
1. recycle / the environment / bottles and cans / we will help / If we /
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2. read and write / you / Could / when you were 6 / ?
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3. will be able to / In 2030, / robots / do many things / like humans /.
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4. visited / We / in the countryside / our grandparents / last week.
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