помогите пожалуйста​ умоляю 3 4 и 5 пожалуууйста умоляяю

Ответ:

3.

13) If you use your phone at the exam, you will be dismissed.

14) All the objects will become warmer, when temperature rises.

15) If we don't hurry, the concert will start without us.

16) If I find his phone number, I will try to call him.

4.

17) at;

18) after;

19) up;

20) to.

5.

21. Ann is going to buy a virtual pet.

22. I use mobile phone to call my family.

23. If the weather is good, we will go to the park.

24. If you study hard, you will find a good job.

25. I think we will live under the glass dome.

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