What is ............................. (good) country to live in?
the best
Are you ............................. (short) than the average person?
shorter
Who is ............................. (funny) student in this class?
the funniest
Is learning maths ............................. (hard) than learning English?
harder (what's an alternative??)
What is ............................. (safe) form of transport?
the safest
Who is ............................. (interesting) person you know?
the most interesting
What is ............................. (beautiful) city you have ever visited?
the most beautiful
What is ............................. (difficult) thing about studying English?
the most difficult
Are vegetarians ............................. (healthy) than people who eat meat?
healthier
Who is ............................. (talkative) person in this class?
the most talkative
Are you ............................. (busy) during the week or at weekends?
busier
Is a laptop ............................. (useful) than a mobile phone?
more useful
Are you ............................. (happy) now or when you were younger?
happier
What is ............................. (exciting) sport to watch?
the most exciting
Are you ............................. (active) in the mornings or evenings?
more active
What was ............................. (important) invention in history?
the most important