1) I (must / have to) study harder because I want to pass the exam.​

tam tocno must

Объяснение:

must

have to

Объяснение:

лень объяснять)

nature problems and solutions.

there are a lot of environmental problems in the world. eg deforestation. for the sake of the tree, people deprive the homes of many animals that die without a native habitat. many of them are already in the red book and are on the verge of extinction. poaching for fur, skins or some other rare material also kills many animals. all this must be stopped, but one must start with oneself. sort the trash, do not throw it on the street or in the forest. if each person will take care of themselves, our world will become better

Объяснение:

дай лучший ответ

There are many helpful tips in this book. They can help you.

2. Where is the money? - I can't find them anywhere. I spent them.

3. Fruit is very healthy. They contain a lot of vitamins. _Yes, but they are very expensive.

4. What's the latest news? - Today is Sunday, so no news. No news is the best news.

5. He is a great traveler. Right now he is traveling in the East.

6. Where are the children? - Are they in the living room? Watching cartoons again? - No, they are playing some kind of game.

7. What book are you reading? - New detective. He is very interesting. Do you like detectives? - Sometimes yes.

8. What do you do for your living? - I work in a bookstore.

9. He thinks she is a wonderful girl. He thinks about her all the time!

10. He is thinking about buying a new car and so he works from morning to night to make money.

11. We meet tomorrow night and go to a cafe.

12. What are you looking for here? - A new glove. - You always lose them! You need to buy two pairs at once.

13. The weather is getting colder, the days are getting shorter and the nights are longer. Winter is coming.

14. I've been to England twice. Have you ever been there? I have just returned from the British Isles.

15. Have you ever vacationed abroad? - No, but I've always wanted to see the world.

16. Life has changed so much! Computers, cell phones, the Internet have become a part of our life.

17. Have you heard the latest news? They are interesting? - No, I haven't heard them yet.

18. Here is my notebook. I have fixed all the errors.

19. Have you passed the exam? - All passed, but Nina did not.

20. He just finished work, turned off the computer and is about to go home.

21. Take the umbrella. It's raining. I already put it in my bag.

22. They have been partners since they started the firm.

23. Your English has improved markedly since September.

24. I have nothing to read.

25. To get a good grade, you have to work hard.

26. The book leaves much to be desired.

27. He is difficult to deal with.

28. Nice to look at.

29. It's hard to please you.

30. To tell you the truth, I don't like boxing.

31. Stop talking.

32. Keep singing.

33. She quit smoking.

34. I can't believe we'll be walking the streets of London tomorrow.

35. Tomorrow at this time you will take the exam.

36. What will we have for dinner? - let's order pizza, okay?

37. How old will your son be next year? - He will be six. - Will he go to school in the fall? - Yes, it will.

38. Where are you going to celebrate the New Year? As always, I will meet with my family.

39. No one knows what will happen in the future.

40. In a year my son will graduate from university, and my daughter will graduate from school.

41. Let's meet one of these days in the center. - OK, I'll come. Where can I wait for you? - next to the cinema. Don't be late, okay?

42. Forgive me, okay?

43. If it snows, it will get warmer.

44. If anyone calls, I'll leave you a note.

45. We will discuss this issue as soon as everyone comes.

46. If he tries, he will be able to pass the interview. He always dreamed of working for this company.

47. I wonder when will we meet? We will meet as soon as he passes all the exams.

48. If the news is important, I'll send you a fax.

49. She won't come to the evening if you don't invite her.

50. Knowledge of English will help you in life.