— Do you know when Mr Wang back? — Sorry, I don’t know. But I’ll tell you as soon as he back.
Grace is a student. She _______ school every day.
Jack often plays soccer ______ three o’clock _____ Saturday afternoon..
We can eat in the dining hall. But we _______ eat in the classroom.
He is never _________ class.
Is this _______ lion or _______ elephant?