Ответы и объяснения

2) If the boys play football there, they will break the window! 3) I'll call you tomorrow if I here any news.
 4) If you stay in that hotel, it will be very expensive.
 5) Jack will be sad if he doesn't see you tomorrow.
 6) If you see the accident, call the police.
 7) If you go to bed early, you will fell better in the morning.

2) If the first butterfly you see in the year is white, you will have good luck all year.
 3) If you walk under a ladder, you will have bad luck for a year. - F
 4) If you throw a coin into a well or fountain or make a wish the wish will come true. - A
 5) If you dig at the end of rainbow, you will find a gold. - G 
 6) If a bee fly into your home soon you will have a visitor. if you kill the bee you will have bad luck or the visitor will be someone who you don't like. - E
Вот так.)
6) If you break a mirror you will have seven years bad luck - картинка B. - забыла одно, прошу прощения.