句子反复磨耳朵（高级续）66-70

66.I'm never free from worry about my son. Nowadays, he does nothing but play video games, and never studies at all.我一直担心我的孩子。现在，他什么也不做，只是玩电子游戏，根本不去学习。67.He put up a brave and lone struggle, but up against such heavy odds he couldn't get his business plan accepted.他进行了一场勇敢而孤独的斗争，但面对如此巨大的困难，他的商业计划仍然不被接受。68.Now that I have finished this assignment I want to go to sleep, but I have to go to school.做完作业我非常想睡觉，但我必须去上学。69.Quick, let's get started on the project proposal while the idea is still fresh in our minds.There's no time like the present.快，让我们开始讨论项目提案，趁着这个想法在我们的头脑中仍然是新鲜的，要把握当下。70.We accept making a reduction in price of 5% if this will help you to develop a new market for our products.我们接受降价5%，如果这将有助于您为我们的产品开发一个新的市场。