问题
选择题
---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
答案
答案：C
题目分析：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 .