1. If they (not/to wear) overcoat in the mountains, it (to be) too cold during the all night. 2. If I (to be) you, I go to the European tour.
3. She (to learn) English well, if she (to watch) movies with subtitle.
4. If people (to sit) a long in front of computer, their eyes (to turn) red.
2) I’m
3)is
4)are
ответ:1) to wear; to. 2) to. 3) learn, watch. 4)sit, turn
Объяснение: