Is she really your younger sister?

她真的是你妹妹？

You and your younger sister look exactly alike.

你和你妹妹长得一模一样。

You raise your hand like your older brother did before you and your younger sister will do after you.

你会像你哥哥那样举起手来，而你的小妹妹以后也会这么做。

If you had five chocolate bars, and your younger sister asked you for one, how many would you have left?

假如你有五块巧克力，你妹妹问你要一块，你还剩几块？

How many?Teacher: If you had five chocolate bars, and your younger sister asked you for one, how many would you have left?

老师：假如你有五块巧克力，你妹妹问你要一块，你还剩几块？