Matching Pairs DO YOU KNOW? cz.5Online version Find answers to the questions by clicking the right boxes. by Monika Wójcik 1 When was the first English dictionary written? 2 Which animals are the only mammals that can fly? 3 Do horses and giraffes sleep standing up? 4 Are camels born with humps? 5 How much water can an elephant's trunk hold? 6 When was the $ sign introduced? 7 When were plastic bottles first used for soft drinks? 8 How many colours can crocodiles distinct? 9 When was the tea bag invented? 10 Can whales swim backwards? in 1908 over 5 litres No in 1755 No Yes None. They are colour blind. bats in 1970 in 1788