题目内容
I am trying to use the machine, but it won't start.
Let me show you how to start it. See all you have to do is ________ this button.
[ ]
A.to press
B.press
C.to turn
D.turn
答案:B
练习册系列答案
相关题目
I am trying to work out the problem and I would appreciate_____ if you could turn the music _______.
| A.That; up | B.this; around | C.it; down | D.you; back |