you will be lucky enough to be waited on by special guides monkeys.___in waistcoats.为什么填
问题描述：
you will be lucky enough to be waited on by special guides monkeys.___in waistcoats.为什么填
dressed 不填 dressing
答
Be dressed in 是个词组,表示一种状态!
句子中省略了（Be）+ dressed in 表示一种状态!
dress 表示穿衣服,只能用,dress sb,意思为“给某人穿衣服”