Look, you can see many _________ in the pool. And here is some ________for you to keep them.
A:fish; suggestion
B:fishes; advices
C:fish; advice
D:fishes; suggestions
2015年6月中旬我国股市出现“暴跌”,大量股民投资灰飞烟灭,约有60万中产阶级消失。据此回答下面问题。
燃料及其利用的知识对解决能源和环境问题非常重要.
三堆苹果一共有多少个?