---Millie,couldyougivemesomeadvice?Idon'tknow

问题详情：

---Millie, could you give me some advice? I don't know_______.

    ---Why don't you wear this red shirt?

A. when to wear               B. what to wear   C. how to wear          D. where to wear

【回答】

B

知识点：非谓语动词

题型：选择题