My dictionary ________, I have looked for it
everywhere but still ________ it.

A. has lost, don't find  
  
B. is missing,  don't find

C. has lost, haven't found
   
D. is missing, haven't found

My dictionary is missing ,I have looked for it
everywhere but still haven't found it.

应该选择最后一个答案。即：My dictionary is missing ,I have looked for it
everywhere but still haven't found it.

谢谢楼上          正解。。。。。。

题目不错！