1.You can tell from his blue eyes that he isn't native (本土的) to China.
2.I think this is perhaps the most enjoyable (使人快乐的) occasion we have ever had at the White House.
3.I felt a great sense of achievement (成就) when I reached the top of the mountain.
4.Your father has told me of your success, and I am very pleased (高兴的) about it.
5.There exist (存在) some new problems such as being dishonest.
6.The greedy (贪婪的) boss stopped at nothing to gain profit.
7.He removed (移除) the mud from his shoes before he entered the room.
8.Though he tried several times, he suffered a series of defeats (失败).
9.The boy can be really annoying (烦人的) at times, but after a while, you'll get used to him.
10.You are an expert in IT industry. Have you any comments (评论) to make on the latest developments?