问题
选择题
— 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
答案
答案:A
— 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
答案:A