5. It is easier to lose friends than to make friends.

4.I have many pen-friends, some of whom are from English-speaking countries.

3. He has much to say in relation to English grammar.

2. They settled their quarrel in a friendly way.

4. shipped　　 　　　　5. Turn to

9. cottage　　　　 10. harbours

5. voyage　　 　　6. settled　　 　　7. secretary　　 　　8. conferences　

5. 交朋友难而失去朋友则比较容易。　　 (it作形式主语)

Key :

4. 我有很多笔友，其中一些来自讲英语的国家。　　 (非限制性定语从句)

3. 关于英语语法，他有很多东西可说。　 (in relation to)