-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