选词填空。从下面方框中选择适当的选项填入短文中，使短文通顺、完整。选项中有两个选项是多余选项。 A. back   B. passed      C. end         D. agreed   E. happily   F. but G. wrote  H. away I. to         J. beginning    K. strange   L. angrily Once a man went to the sea for his summer holidays.  He asked his housekeeper to post him all letters that he would receive when he was 1 . The housekeeper 2 to do that. The man had a good rest.  A month 3 but he received no letters.  He thought it 4 and rang up his housekeeper: 'Why didn't you post my letters?' 'Because you didn't leave me the key 5 the letter box,' was the reply. The man apologized and promised to send 6 the key.  A few days later he put the key into an envelope, 7 down his address on it and posted the letter. Another month passed 8 still he didn't receive the letters.      . When at the 9 of the month he returned home, he spoke 10 with his housekeeper. 'But what could I do?' asked the poor housekeeper.  'The key which you posted was in the locked letter box,  too. '