Ответ:
If you travel to London by plane, it will take you about three and a half hours.
If they come tomorrow, I will make a cake.
Unless the weather change, the plane will be on time.
You will catch your coach if you leave now.
You will avoid the wild animals of the forest if you climb this rock.
If you arrive late, you will miss your flight.
If I become a president, I will help the poor.
I won't eat local food if I go on a business trip to China.
When I will see a snake in the desert tomorrow, I won't get scared.
If I see a Tasmanian devil, I will get scared.