1. Cycling is not as difficult as ice skating (so sánh bằng: S + tobe + (not) + as + adj + as + S2)
2. A mountain is higher than a hill (high có một âm tiết `->` so sánh hơn tính/trạng từ ngắn: S + V + adj_er/adv_er + than + S2)
3. The Earth is not as near the sun as Mercury (so sánh bằng)
4. The Concorde flies faster than a Jumbo (so sánh hơn tính/trạng từ ngắn)
5. Your team played worse than our team (so sánh hơn của bad/badly là worse)
6. Dark chocolate is not as sweet as milk chocolate (so sánh bằng)
7. The Parthenon is older than the Eiffel Tower (so sánh hơn tính/trạng từ ngắn)
8. is more expensive (expensive có 3 âm `->` so sánh hơn tính/trạng từ dài: S + V + more + adv/adj + than + S2)
9. This crossword is not the most difficult (difficult có 3 âm `->` so sánh nhất tính/trạng từ dài: S + V + the most + adv/adj + .....; easy = not difficult)