Is learning maths ............................. (hard) than learning English?
harder (what's an alternative??)
What is ............................. (expensive) thing you have ever bought?
the most expensive
Are you ............................. (active) in the mornings or evenings?
more active
What was ............................. (important) invention in history?
the most important
What is ............................. (good) country to live in?
the best
What is ............................. (safe) form of transport?
the safest
Are you ............................. (happy) now or when you were younger?
happier
What is ............................. (beautiful) city you have ever visited?
the most beautiful
What is ............................. (exciting) sport to watch?
the most exciting
Is a laptop ............................. (useful) than a mobile phone?
more useful
Who is ............................. (funny) student in this class?
the funniest
Who is ............................. (talkative) person in this class?
the most talkative