Just like weather, life_______ be sunny and beautiful all the time.
A good teacher should be strict _______the students ______their study.
---The man in a black suit _______ be our youth worker.---It _______ be him. I saw him in the classroom building some minutes ago.
How careless it was _______ Millie to make _______ many silly mistakes in the Mathexam!
You have to eat and take more if you want to be .
We don’t have enough pens , Give us .