同学你好，该知识点来自沪江网校《英语零基础直达大学六级【随到随学班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好~
Key to KS Exercises
C
1 mustn't 2 mustn't
3 needn't 4 needn't
5 mustn't
Key to SD Exercises
1 remarked 2 noticed
3 remarks 4 notice
Key to Multiple choice questions
1 a 2 a 3 c 4 d
5 c 6 b 7 b 8 a
9 d 10 a 11 c 12 b


Key to KS Exercises
A
1 had had a long walk (1.1)
2 have a rest (1.2)
3 to have a look (1.4)
4 had our first glimpse (1.6)
B
1 had a ride
2 was having a look
3 had a wash
4 had a swim
5 had a fight
6 have had a quarrel
7 had another try
8 having a rest
9 have a smoke
10 have a good sleep
Key to SD Exercises
1 pick it up 2 pick up
3 pick out 4 pick up
Key to Multiple choice questions
1 d 2 d 3 d 4 b
5 b 6 c 7 d 8 d
9 a 10 c 11 d 12 a
Key to Sentence structure
As soon as he saw us, he picked up a long pipe which was covered
with coins and opened one of the baskets.

祝同学学习进步~