many: 和可数名词连用, I haven't many books. a lot of: 可数,不可数均可,但不用于否定句 much: 和不可数名词连用,
or: 或者,否则,常用于否定句中 I don't like apples or bananas. Hurry up or you'll miss the bus. and: 并且,Hurry up and you'll catch the bus.