There is ______ “u” and _____ “s” in the word “use”.
---What is Mr Zhang doing?---He is writing some English words ______ the blackboard ______ chalk.
My old neighbor felt _______ after her son moved out.
She didn’t work hard, and _______, she was fired.
The students _________ follow the school rules at school.
I will tell you the information _________ if I get it.