wrap up一般是指伪装,包装,wrap up sth,dress up一般表示为某人打扮,sb dress up sb； close,好像和这一类词无关,既可以做形容词,close friend,亲密的朋友；动词,close the door,关门；副词,get close to sth,靠近 put on,穿上,put on the shirt； have on；一般为have sth on ,she had the dress on and looked beautiful be in,通常后面加颜色,she is in write,