将下列句子排成一段完整的对话。 (1)Is this your purse? (2)No, it isn't.It's David's. (3)Oh, it's my purse.Thank you. (4)Perhaps your purse is in your desk. (5)Oh, dear.Where's my purse? (6)You're welcome. ____→____→____→____→____→____
连词成句。(15分) 1.colour what it is ? 2.a new have I schoolbag . 3.is , schoolbag, heavy , my . 4.what, your ,in, is ,pencil box ? 5.blue ,white ,it, is ,and .