Matching Pairs DO YOU KNOW? cz.5Online version Find answers to the questions by clicking the right boxes. by Monika Wójcik 1 How many colours can crocodiles distinct? 2 When were plastic bottles first used for soft drinks? 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 tea bag invented? 7 When was the first English dictionary written? 8 Can whales swim backwards? 9 Which animals are the only mammals that can fly? 10 When was the $ sign introduced? in 1755 in 1788 No in 1908 in 1970 bats Yes over 5 litres None. They are colour blind. No
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