⑴ 多少个用英语怎么讲
“多少个”询问可数的数量，英语是“how many”。例句：How many apples are there on the table(桌上有多少个苹果)。
⑵ 一共有多少个用英语怎么说
总共in all,altogether；in the aggregate总共有多少人：How many people are there altogether?
1, how many students are there in the classroom and outside the classroom altogether?
2, the number of people who didn't come to school today? / didn't come to work?
3, inside the company, there are many people go on a trip to Shanghai?
4, a total of 56 people, to see the dinner tonight.
5, how many people come to school today? / to work.?
6, today you start / begin from a few days?