Exercise 54a. answer the questions in the presentperfect or in the past indefinite. make a proper choiceof the adverbial modifierexamples: have you ever been to moscow? yes, i have. i have been there manytimes.yes, i was there last year.1. have you ever seen the film “hamlet”? 2. hasmother made a cake? 3. have you ever been ill withthe flu? 4. have you read the book “oliver twist" bych. dickens? 5. has your father come back from hisbusiness trip? 6. have you written a letter to yourgirl-friend? 7. has she sent greetings cards to her rela-tives? 8. has your boy-friend shown you his collectionof discs? 9. have you ever been to the hermitage? 10. has your mother finished knitting a cap for you? 11. have you seen his new flat? 12. have you takenany snaps of your fellow-students? ​

Lion - record for altitude in the shoulders among all the cats. By weight, it is in second place after the tiger. Lions have a powerful legs, strong jaws and canines have a length of 8 cm, so these predators capable of killing large animals. Lion's skull is very similar to the tiger, frontal area, as a rule, more reduced and flat. Nose is wider than the tigers. However, these two types of skull shape is very similar, the differences are only in the structure of the lower jaw. Coloration varies from skin color Buffalo to yellowish, reddish or dark brown. The lower part of the body of a lion lighter than the top, the tip of the tail is black. Lion cubs born with brown spots on the body, like a leopard. When puberty these spots disappear, although some adults, especially in females, they are saved on the abdomen and legs.

1) Mother must cook the food/Мама должна готовить еду
2) Рarents must help to do homework/Родители должны с домашними заданиями.
3) Parents must go to parent-teacher meetings at the school/Родители должны ходить на родительские собрания в школу.
4) The mother mustn`t help to collect the briefcase/ Мама не должна собирать портфель
5) The father mustn't make the bed of his children/ Папа не должен заправлять кровать своих детей.

1) Children mustn`t go to bed so late/ Дети не должны ложиться спать очень поздно.
2) Children must clean up their room./Дети должны убирать в своей комнате.
3) Children mustn't cook dinner/Дети не должны готовить обед.
4) Children mustn't buy products/Дети не должны покупать продукты.
5) Children mustn't wash their clothes/Дети не должны стирать свою одежду.