Question

I have five books.Mike borrowed two of them,______are in my bag.

Answer 1

I have five books.Mike borrowed two of them,the rest of them are in my bag.
（我有五本书 Mike 借走了其中的两本 剩下的在我的包包里）
I have five books.Mike borrowed two of them,three are in my bag.
（我有五本书 Mike 借走了其中的两本 三本在我包包里）

Answer 2

I have five books.Mike borrowed two of them,___three___are in my bag.

Answer 3

three