题目内容:
—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
参考答案:
答案解析:
—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