III
1: B --> best
2: B --> on
3: C --> more beautiful
4: A --> many
5: B --> at
6: at --> on
IV
1, is / works/ catches
2: is your sister doing - is cooking
3: won't go - will visit
4: doesn't write - writes
5: to join
Câu 5:
1: the best
2: hotter
3: the happiest
4: more expensive
5: the most comfortable
6: larger
7: noisier
8: is the highest
9: more boring
10. the youngest teacher
chúc bạn hk tốt
good luck
