1. I have been smoking for many years and cannot get rid of this dreadful habit написано правильно
Что может быть результатом игр в компьютерные игры?
1) I; 2) They; 3) You/they; 4) He/she; 5) They; 6) It; 7) They; 8) It; 9) They; 10) Are (в 10-ом, скорее всего, есть ошибка, т. к. вставить нужно местоимение, а не глагол to be. Но глагола как раз и не хватает)
1 - for, 2 - had bought, 3 - close, 4 - everything, 5 - the, 6 - smiled, 7 - wrote, 8 - was interviewed, 9 - to make, 10 - have played.
1 Children will have to cook breakfast themselves.
2 Children, you will have to cook breakfast yourselves.
3 The computer turned itself off. What's wrong?
4 Nobody helped us , we did everything ourselves.
5 I like the film. - So do I.
6 I have seen the film. - So have I.
7 I have cleaned my room. So have I.
8 If I come early, I will wait for you.
9 I will switch off the computer before I leave the office.
10 The text is more difficult than the dialogue.