1、Don't __feed___ (food) too much food to your goldfish!
2、I often __save___(safe) money in the piggy bank.
3、Jack is ten years old and Ben is fourteen years old.(保持原句意思）
Jack is __four___ __years___ younger than Ben.
4、I study in a new school.So does May.(保持原句意思）
I study in a new school and May __does___,_too____.
5、My maths teacher often helps me with my maths and l'm making progress in maths.(保持原句意思）
I'm making progress in maths __with___ the maths teacher's __help___.