---Willyoupleaseshowmehowtooperatethenewmachine? ---Sur...
来源：语文精选馆 2.44W
问题详情：
---Will you please show me how to operate the new machine?
---Sure. It’s a piece of cake. Now let me tell you _____ to do first.
A. what B. how C. whether D. which
【回答】
A
知识点：相似 相近词比较
题型：选择题
