1. My sister has more friends than my brother.
2. My mother spends less time going to work than my father.
3. Linh's mother bought less food than my mother.
4. Huong's house has more furniture than my house.
5. My aunt has fewer children than my uncle.
6. My younger sister spends less time doing homework than I do.
7. Does a banana contain more sugar than an apple?
