Complete the sentences with the most suitable comparison of the form of the adjectives. (Hoàn thành các câu với sự so sánh phù hợp nhất về hình thức của các tính từ.) 1. Is that (big) building in the world? 2. This photo is (good) than that old picture. 3. Were you (fast) swimmer in the race? 4. I'm (creative) than my sister. 5. This is (bad) book in the library! 6. Maths is (easy) than French.