One of the boys ________ doing __________ homework in the classroom.A. is; their B. are; his C. is; his
— 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 .
Ourteacher usually gets to school a little _______ than our students.