热心网友
1。 If he had not gone swimming in the No-swimming Zone last night, the boy would not have been drowned。2。 If he had not forgotten to use the mosquito net last night, Billy would not have been badly bitten by mosquitoes。3。 If the mother had not carelessly put the knife within the baby's reach, the baby would not have cut herself while playing with it。4。 If they had not eaten the potatoes in the dining-room, the students would not have got food-poisoning。5。 If the parents had not put the thermos on the ground, their son would not have kicked it and got burnt。