—______ your favorite subject?—Music.A.Who’s B. Where’s C. What’s
It ______ Mr. Smith half an hour _____ get to his office.
Mary, ______ girl, wants to be a doctor.
Our teacher always helps us ______ our English.
--- _____ do you ______the book? --- It’s very interesting.
Trees are animals’ homes, so we shouldn’t ________.