1 针对数量多少的 用 how many (可数名词）,how much (不可数）2 对于具体数字 which number/what number?
how many+复数名词+谓语（+其他成分）
how much+不可数名词+谓语（+其他成分）
例句
How many students came to the meeting?多少学生参加了会议？
How much money is needed?需要多少钱？
