求 新概念英语二45课关键句型、难点习题答案.快速,please

1．关键句型练习答案
A had been lost(11.1-2); must have been found(11.3-4); was not returned(1.4); had
been wrapped(1.6); was sent (1.9); was paid back(1.10)
C 1 A meal has been prepared for you.
2 The book will be translated into English.
3 A telegram must be sent to him.
4 The fire had been put out before the fire brigade arrived.
5 The cat was given some milk to drink.
2．难点练习答案
1 back 2 robbed… stole 3 back 4 stole 5 robbed
3．多项选择题答案
1 b 2 d 3 a 4 b 5 b 6 d
7 c 8 b 9 c 10 b 11 d 12