英语翻译

英语翻译
21.We stood at the corridor,_____________欣赏远方美丽的风景）．
22.The kids went out of the classroom,____________（说说笑笑的）．
23.We can't do it._______________（因为我们既没有钱也没有时间）
24._________________（多好的天气啊）!Let's go for a picnic.
25.It's not healthy to be a picky eater.You should have______________（各种各样的食物,不仅是肉类还有蔬菜类）．
26.Don't waste water________________（因为它很珍贵）．
27.We need a knife_____________________（来切这个西瓜）．
28.The lake______________（给公园增加了美丽）．
29.The population of China_____________（正在增长）．
30.We must value water,or___________（地球上最后一滴水将是眼泪）．