题目内容
---I don’t know _______. Can you help me? ---I think you should calm down and read texts.
| A．how to do | B．what to do it | C．what to do | D．when to do |
B
解析试题分析：句意：我不知道该做什么。你能帮助我们吗？我认为你应该冷静下来，读一下说明。疑问词+to do的结构。如何去做：how to do it .做什么：what to do何时去做：when to do .故选B。
考点：考查疑问词的用法。
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