584. There's something wrong with the phone. 电话出了点儿毛病。　

583. Would you call back tomorrow? 你能明天回个电话吗？　

582. I have to hang up now. 我得挂电话了。　

581. I couldn't get through. 我打不通。　

580. I must have dialed a wrong number. 我一定拨错号了。　

579. Would you tell Mr. Green that I called? 你能告诉格林先生我给他打了个电　

话吗？　

578. This is Mary Speaking. 我是玛丽。　

577. I want to make a long distance call. 我想打个长途电话。　

576. Would you answer the phone please? 你能接下电话吗？　

575. Yes, please. 是的，麻烦了。