Упражнение 3. 0 or 1 Conditional

Решение:

1. If you drop (drop) an apple, it falls (fall).
2. I get (get) tired if I work (work) too much.
3. Water boils (boil) if you heat (heat) it to 100 C.
4. I will phone (phone) my friend if I have time (have time) today.
5. If you freeze (freeze) water, it turns (turn) into ice.
6. If it rains (rain) today, I will stay (stay) at home.

Ответ: drop, falls; get, work; boils, heat; will phone, have time; freeze, turns; rains, will stay.