Tìm và sửa lỗi sai: Is Susana best student in the class?

Tìm và sửa lỗi sai 
1Is Susana best student in the class ?
2 Mount Everest is the highest mountain than all
3 this house has the beautifullest garden on our street
4 my younger sister has full lips and small white tooths
5 my younger sister likes to play swimming and jogging
6 what's the weather like in HCM city fod the summer
7In the weekend, he often goes swimming
8 they always taking food and water and a tent