Leaves change ____________ fall. A. inB. atC. on
()—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. ---_____.