I. supply the correct form of the words:
1.The doctor will be ............. ( availability) unless you call and make an appointment in advance.
2.That guy is absolutely ............. ( predict) as you never know what he is going to do or say.
3.My friend is a ............. ( industry) student. He always get good grades.
4. I'm sorry, I ............. ( understand) the instruction you gave me.
5. His busy schedule made him completely ............. ( access) to his students.
6.These materials are highly............. ( flame).
7. Many ............. ( memory) have been built since the end of the war.
8. ............. ( industry) in VN has brought a lot of big changes.
9. They were so alike,it's sometime impossible to ............. ( different) between them.
10. The differences between British English and American English are ............. ( compare) small.