问题补充：
Can you tell me what to ?
A. do with
B. do with it
C. deal it
D. deal with it
答案：
A. do with
(答案→)B. do with it
C. deal it
D. deal with it
解析：do with利用，处理； deal处理，对待；deal with处理，涉及。句意：你能告诉我用它做什么吗？do with 常与连接代词 what 连用，而 deal with 常与连接副词 how 连用。结合语境可知选B。
