1. Tom made an interesting _______ (演讲) last time.
2. Everyone should keep away from _______(毒品) as far as possible.
3.—How many students were _______(缺席的) from today’s English class?
   —Only one.
4. Most of my classmates like learning _______(生物学).
5.—How many people were _______ (出席的) at the meeting?
   —Two hundred.