—What were you doing at this time yesterday?—We _______ in the classroom.A. read B. were reading C. are reading
--What’s this__________ English? --It’s a pen.
--Is this a __________? --No.It’s a clock.
--Is this __________card? --Yes. ___________card is Tom’s.
Frank is my pen pal, he _____________ Sydney, Australia.
Tigers like to eat _____________, but koalas like to eat____________.