СРОЧНО! ДАЮ 50 БАЛЛОВ!!!
I. Fill in the gaps with the correct form of the verb in brackets.
1 If she ____ (be) slimmer, she would be much more attractive.
2 If a fire starts, the alarm system ______ (go) off.
3 If the weather improves, I _____ (go) for a walk.
4 If I_____ (run) fast, I would have come first.
5 If I had known the answer, I______ (make) a mistake.