同学你好，该知识点来自沪江网校《新概念英语2、3、4册连读【双11专享班】》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
A What will happen：will last (1. 2); will continue until ⋯
is reached (11. 3-4); will last (1. 5); are going to offer (1. 6);
will relieve (1. 7); will have to pass (1. 10); are going to take
(1. 10); are going to find (11. 10-11); will drive (1. 12)
Key to SD Exercises
1 He thought it safe to cross the road.
2 He finds it unnecessary to practise for long.
3 You'll find it hard to find a job.
4 She thinks it important to speak clearly.
5 I thought it unwise for him to wait so long.
6 I considered it a good thing that she gave up smoking.
Key to Multiple choice questions
1 c 2 c 3 a 4 b
5 d 6 c 7 c 8 c
9 d 10 a 11 c 12 d
Key to Sentence structure
University students have volunteered to drive buses while the
strike lasts.

祝同学学习进步~