新概念2 test19答案

第19课
1．关键句型练习答案
A may begin(1.1); may have begun(1.2); May I have (1.3); Can I return (1.8); Could I have (1.11); I might as well have (1.13)
2．难点练习答案
1 I have not seen…
2 There aren't…
3 He does not…you are…
4 She didn't tell…she hadn't…
5 I shan't stay…
6 He won't do…he's told
7 When will I…
8 What have you…You have broken…
9 He is…He has just come…
10 I can't understand…he has not…
11 You must not believe…
12 I was not…You were not…
13 That man has been…
14 They had not seen…
3．多项选择题答案
1a 2d 3c 4c 5d 6b
7c 8b 9c 10a 11c 12c