1. Which river is LONGER , the Red River or the Mekong River? (long)
2. Which city is OLDER , London or Rome? (old)
3. Which city is BIGGER , New York or Paris? (big)
4. Which mountain is HIGHER , Mount Everest or Mount Fuji? (high)
5. Which language is MORE DIFFICULT , Chinese or English? (difficult)
6. Which animals are FASTER , cats or horses? (fast)
7. Which month in Vietnam is COLDER , October or December? (cold)
8. Which animals are MORE INTELLIGENT , dogs or dolphins? (intelligent)