What is _____ _______ (hot) planet in the solar system? A. Jupiter B. Mars C. Venus
the hottest - C. Venus
Who is ____ _____ (rich) person in the world? A. Bill Gates B. Elon Musk C. Jeff Bezos
the richest - B. Elon Musk
What is ______ _______ (high) mountain in Vietnam? A. Ta Lien Son B. Pu Ta Leng C. Fansipan
the highest - C. Fansipan (3143m)
What's ____ _____ (large) cave in the world? A. Mammoth Cave B. Jewel Cave C. Son Doong Cave
the largest - C. Son Doong Cave
What is ___ ____ (heavy) animal in the world? A. The Blue Whale B. The Panda C. The Elephant
the heaviest - A. The Blue Whale
What planet is ………………………………………. (small) - Earth or Mercury?
smaller - Mercury
Which country is ______ (big) - Canada or the USA?
bigger - Canada
Which animal is _____ _______ (difficult) to see - a penguin flying or a monkey swimming?
more difficult - a penguin flying
