根据对话的情景,从方框中选择适当的句子填在画线处,使对话完整通顺。其中有两多余的。 A: Hello! May I speak to David, please? B: This is David speaking. Who ’ s th at ? A: 11 B: Hello, Li Lei. 12 A: I ’ m doing my homework. B: I think you are learning physics. A: Yes. You ’ re right. 13 B: Because physics is your favorite subject. A: David, we want to play soccer this afternoon. 14 B: Yes, I ’ d love to. 15 A: We want to meet on the playground at 1 : 00 p. m. See you then. Bye. B: Bye-bye.