I think you can ______ money by yourself to buy a present for your mother.—OK. I’ll try. I’ll not let a penny waste.

Dad, _____ is my friend , Xiao Hua. –Hello, Xiao Hua.

All the students are talking and laughing in the classroom and it’s _______.

We will never forget those happiest days _______ we spent on the summer camp.

Rick is ________ young ________ go to school.Don’t you think so? [ ]