Пожалуйста помогите!!Даю 20 баллов.Номер 18

1.  My friend has never had a bird's-eye view of the city. Let's take her to the London Eye. 2.  Let's make an apple pie.I have already bought green apples, eggs and some flour 3.  The group of  tourists has just turned left.  4.  The children have visited the London Zoo recently. They liked the monkeys.  5. Have you ever ridden a camel? - No, I haven't 6.  What have you done lately? 7.  You have  just  seen a UFO, haven't you? - Are you sure?