My little sister is __________(乐于助人的).A.helpful B. polite
—I like________. —Me too. A．mangos B．mangoes
—Is that ________ sweater? —No，it isn't. A．you B．your
—This is ________ yacht. —How nice! A．my B．I
—________is this? —It is a watch. A．HowB．What
听录音，圈出你听到的一组字母。(10分)
粤公网安备 44130202000953号