根据句意完成已给出首字母或汉语提示的单词，使补全后的句子意思通顺，语法正确。

1．I like to talk with the foreigner，because his p_________ is really clear．

2．The two boys have formed a deep and lasting _________（友谊）．

3．We should tell everyone the i_________ of protecting the environment（环境）．

4．Vietnam is on the south of our country，we are n_________．

5．We have too much homework to do，so we can't leave school without teacher's p________．

6．He was weak in English，but l_________，this time he passed the exam．

7．Mr. Black has t_________ many Chinese books into English·

8．I bought this sweater _________（特意地）for my mother．

9．Glena _________（娶）Lucy when he was twenty-seven．

10．It was made in _________（古老的）China．