15. You've got an e-mail from your English pen friend. Write him a letter and answer his two questions. Write 50 - 60

everyone agrees that unless tiger population is protected ,they will become extinct.if it were not the efforts made by international campaigns the extinction would already have become a fact.it is time to cooperate and help to animals otherwise the future will be sad.supposing there were no tigers left in the world: how would we all feel? !

предположите, что вы собираетесь иметь вечеринку по случаю дня рождения. напишите письменное приглашение своему другу.

how much sugar do you need for the cake ?   there aren,t many beans in the tin.  are there many mangoes left ?   i have got a lot of of butter in the fridge.  how many biscuits do  you want ?