题目内容：

Late in the afternoon, the boys put up their tent in the middle of a field. As soon as this was done, they cooked a meal__1.__ an open fire. They were all hungry and the food smelt good. After a wonderful meal, they told stories and sang songs _2.___the camp fire. But some time later it began to rain. The boys felt tired so they put out the fire and crept into their tent. Their sleeping-bags were warm and __3._____, so they all slept soundly. In the middle of the night, two boys woke up and began shouting. The tent was full of water! They all leapt out of their sleeping-bags and hurried ___4.__. It was raining heavily and they found that a stream had formed in the field. The stream wound its way __5.____the field and then flowed right under their tent!