Choose A,B,C or D to indicate the underlined part that need correction in each of the following question 1, I am not sure who lives happier: nomads or city dwellers

Here are the answers with the underlined part that needs correction: 1. I am not sure who lives happier: nomads or city dwellers Answer: B. lives (It should be "live" instead of "lives") 2. A camel runs much more slowly as a horse. Answer: D. as (It should be "than" instead of "as") 3. City people seem to react quickly to changes than in the countryside. Answer: C. than (It should be "to" instead of "than" and rephrased to "City people seem to react more quickly to changes than in the countryside.") 4. My father used to hate eat sea food, but now he likes doing it. Answer: B. eat (It should be "eating" instead of "eat") 5. How many water do you drink everyday? Answer: B. do (It should be "much" instead of "do" or "How much water do you drink every day?" for a more common phrasing)