Would you please _选B___ my purse when I go to the bathroom?
(A) look (B) watch
(C) see (D) notice
首先排除AD项.look和notice是不及物动词,应该是look at my purse和notice at my purse.
再看C项,see就是看见的意思,没有什么特殊的看.
B项,watch是观看,观察,这里是照看的意思
所以这里选B.