题目内容
20．-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 |
分析 -米莉，你能给我一些建议吗？我不知道该穿什么？
-你为什么不穿这件红色的衬衫？
解答 答案：B
根据I don't know ______可知这是一个宾语从句． 当主句谓语动词是know，learn，remember，forget，tell等动词，且主句主语与从句主语一致时，宾语从句可简化为"疑问词+不定式"结构，how to wear it后面要加it，因为do后面要加一个宾语，而wha to wear 后面不跟宾语，故排除C，故选B．
点评 本题主要考查的是"疑问词+不定式"结构，理解句意并掌握"疑问词+不定式"结构是解答本题的关键．
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