一、根据首字母及汉意填入适当的词。
1. H can’t speak in front of people. He is s_____.
2. I’ll study hard. I don’t want to let my parents d_____.
3. He is _______(自信的)to pass the exam.
4. Without my _______( 允许), don’t touch my things.
5. I am very busy. Don’t b______ me, OK?
6. The population of the world i_____ very fast.
