求新概念二册第61课难点答案,及下面几个句子的变句
1个回答

1 I want you to post this card.,before the letter-box have been emptied by 52 After we celebrate the New year in half an hour the clock will have struck 12 3 By the time he have thought about the job I could have finished it4 As soon as You finished your game of basketball , I will come and collect you或者 I will come and collect you,as soon as You finished your game of basketball