3. Write zero conditional sentences. 1) If people (live) to be 100 in the UK, they (receive) a letter from the Queen.
2) If you (want) to become healthier, (not/stay) indoors all the time.
3) If you (need) ice to melt easily, (leave) it near the cooker.
4) If it (rain), (put on) a raincoat and (take) an umbrella.