题目内容：
回答题David：51________________，is Mrs．White at home？
Servant：Yes，she is．May I know your name？
Davie：Yes．My name is David，David Hollywood．
Servant： 52________________ ，Mr．Hollywood．Come in，please．
David：Hi，Sue．Glad to see you again after so many years abroad．
Susan：Hi，David． 53________________ and see me．
David：I haven’t seen you for about three years since I left for Germany．How have you Been?
Susan：Very well，thank you． 54________________ ？
David：Just fine，thank you．I was very much homesick and missed my friends．
Susan： 55________________ ? Are they all fine?
David：They are all very well，thank you．
________________
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答案解析：