一、答案
1 | 2 | 3 | 4 | 5 |
A | C | B | C | B |
二、答案
1. suggestions
2. been
3. anything
4. later
5. falling
三、答案
1. on his own/by himself
2. get lost/lose your way
3. need a rest
4. be careful of
5. going rock climbing
四、答案
1. safe
2. long
3. else
4. before
5. Different
6. sure
7. without
8. alone
9. If
10. everything