-- Look at the boy running on the ground. Is it David?-- It _______ be him. I saw him go to the teacher’s office just now.
“There____a meeting tomorrow.” means “They_____ a meeting tomorrow.”
We should eat many fruits______ apples and oranges.
This is an important problem. Please______.
It’s very important ______ us ______ English well.
He often _________ jokes and makes us _________ .