The teacher        class when I      the classroom at ten o’clock yesterday morning.

My father           my hometown for two months.

I don’t know when he _______ tomorrow, when he    tomorrow ,I will tell you.

— A computer is very popular and helpful .
— I think so. It _______ in many different fields.

My uncle is an experienced teacher. He_____English since 2002.

Mr. Green _______ his lessons when I went into his office.

—Tom, What did you do last Sunday morning ?
— I _______ my grandma with my parents .

—Is your brother at home?
—No. He ________ the library. He hasn’t come back yet.

I began watching here an hour ago, but now nothing _______ yet.

--Where is your father?
---- He _____ Australia and he _____ Sydney for two weeks.