Complete these sentences with comparative or superlative:
1. This dress is the ………………………………of three dresses.(expensive)
2. Vietnamese students work ……………hours than American sts (few)
3. He has ……………………………….. money than his wife. (much)
4. Summer holiday is …………than tet holiday. It’s the ……… holiday(long)
5. Tom is ………………………… than Peter (intelligent)