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1. I think I’ll explore the caves.
2. He doesn't know he may take a trip boat around the islands.
3. Phuong,Tuan and Hoa may build sandcastles on the beach.
4. My family and I will swim in the sea.
5. They’ll be at the seaside on Sunday.
6. She’ll visit the islands on Monday.
7. Where will be on Saturday?
8. I think I and Mai will be at school.