Вставьте в предложения предлоги по смыслу: 1.She gave… bulling classmates. 2.Give me… my keys. I forgot them in your house. 3. They are absent… school today, they are ill. 4. Where do you come…? 5.Please, concentrate…your studies. 6. She worries…her coming exams. 7.Give…the tests, please.

А) __WHICH__ way shall we go? Left or right?
b) You can have tea or coffee. __WHICH__ do you prefer?
c) "_WHAT__ date is it today?" - "Friday".
d) This is a nice house. __WHICH_ room is yours?
e) _WHAT__ is your favourite sport?
f) __WHICH__ is more expensive, meat or fish?
g) __WHO___ is older? Ann or George?
h) __WHAT___ kind of camera have you got?
i) __WHAT___ nationality are you?
j) A: Mary has got three cameras.
B __WHICH___ camera does she use most?

Which исполь-ся когда у нас есть ограниченный выбор между двумя-тремя предложенными (чай или кофе, налево или направо, какая из комнат в доме) вариантами.

What использ-ся если такого ограничения нет. 

Who использ-ся когда говорим о людях

Раскройте скобки, употребляя глаголы в требующейся форме, так чтобы получить Present Continuous или Present Perfect. 1. What are you talking about? 2. We have just talked about it. 3. He has just said something about it. 4. She is telling them interesting story. 5. He has told us nothing about it. 6. She has told them some stories about dogs. 7. We have had two lessons today. 8. They are having a meeting. 9. She has not spoken yet. 10. They have asked me several questions. 11. He has already learned (learnt) the rule. 12. I am writing an exercise. 13. What is he doing ? He is reading a newspaper. 14. Have you read any stories by Jack London? 15. What are you doing here? I am writing a letter to my friends. 16. Who has written this article? 17. What language are you studying ? 18 We have already learned(learnt ) a lot of English words. 19. What is she teaching them? 20. Who has taught you to do it? 21. He has just done something for us. 22. Have you found the book? 23. What are you looking for?