Matching Pairs DO YOU KNOW? cz.4Online version Match the questions to their answers by clicking the right boxes by Monika Wójcik 1 How many teeth do African elephants have? 2 When do you burn more calories: while sleeping or while watching television? 3 Apart from cars do Porsche also make tractors? 4 What is the coloured part of human eye called? 5 How many rooms are there in Buckingham Palace? 6 Where does Christmas tree originate from? 7 Do people's tongues differ? 8 which animals are faster? Sharks or dolphins? 9 Where was the Titanic built? 10 When was the electric toothbrush invented? four from Germany the iris in 1939 Yes sharks while sleeping in Belfast over 600 Yes, everyone has a unique tongue print.