1)We won't leave the house if we find the key.2)They won't go to the river if the weather is cloudy.3)If you leave the cake in the oven for too long, it will burn.4)What will you do if you don't catch the bus?5)James won't enter university unless passes his final exams at school6)Where will Nigel Sleep unless there are no vacant rooms in the hotel?7)I'll make Sam a cup of hot tea if he is cold.8)Helen won't phone you unless news.9)What shall we do if we don't find she has any we don't find any information in the Internet?10)Your friends won't speak to you them the truth unless you tell he