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