第20课
1．关键句型练习答案
A Fishing(1.1); catching(11.1-2); catching(1. 3); having spent(1.5); fishing(1.6); fishing… sitting(1.8); doing (1.9)
C 1 he went out of the restaurant without paying the bill.
2 She bought a pair of boots instead of getting a pair of shoes.
3 She was afraid of spending the night alone.
4 After hearing/having heard the news, she fainted.
5 Think carefully before answering my question.
6 On seeing the plane coming towards me, I dashed for cover.
2．难点练习答案
1realized2It's…understand…its3exciting4interesting5exciting6interested
3．多项选择题答案
1b2c3b4b5c6b
7c8a9c10c11d12a