Answer for exercise 5

1

1. He likes the idea of escaping.
2. In fact, he's already made several attempts to escape.
3. He and his cellmates often have arguments about escaping.
4. He'd probably have difficulty escaping.

2

1. He has plans to introduce a new traffic scheme.
2. He's likely to have trouble introducing a new traffic scheme.
3. Not everyone sees the advantages of introducing a new traffic scheme.
4. Many members of the public have doubts about introducing a new traffic scheme.

3

1. Ali's parents are convinced of the importance of studying abroad.
2. His parents are giving Ali the opportunity to study abroad.
3. Ali's having a few problems finding the right place to study.
4. Ali has to make some difficult decisions about finding the right place to study.