22.We don't have enough money so we can't buy that house. If........................................................................................................................ 23.If someone doesn't put the coal in, the fire will go out. Unless............................................................................................................... 24.We don't see our grandparents often because they live so far away. If..................................................................................................................... 25.Unless we reduce the use of water and electricity, we'll have to pay more this month. If we.............................................................................................................. 26.He can't buy the computer because he doesn' have enough money. If........................................................................................................... 27.Working so much will make you tired. If you.................................................................................................................. 28.People don't do enough exercise, so there is a lot of heart disease. If ............................................................................................................. 29.Water these plants or they will die. Unless ..................................................................................... 30.I'm not rich so I can't buy that house. If I........................................................................ 31.He works in the evening so he has no time to play with his children. If he................................................................ 32.I can't give you a ride because I don't have a motorbike. If I.............................................................................................. 33.Hurry up or we will be late for the concert. If we.................................................................................................................... 34.She goes to school late because she lives very far from school. Unless she.............................................................................................. 35.The test is so difficult that we can't finish it on time. If the test............................................................................................... 36. People dont trust him because he tells lies. -> If he..... 37. She is so busy that she cant come to the party. -> If she..... 38. I dont have money , so Im not going on holiday. -> If I....... 39. He often gets bad marks because he is lazy. -> If ........ 40. Do it now , or you will not finish it on time. -........