—What’ s that on the floor?—It’ s__________orange.
—Who are your parents talking ____________?—I don’t know.A. for B. to C. on
I like you, Tom. Let’s ____________ good friends.A. do B. be C. have
I don’t like ____________ thrillers ____________ playing baseball.A. watching; or B. watching; and C. to watch; or
---_____ is Changchun? ---It’s in Jilin.
---Thanks very much. ---_____.