单项选择题

 You can’t imagine the difficulty I have ___________the problem!
   A.to solve   B.solved   C.solving D.  solve

A. 
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单项选择题
Why? I have nothing to confess. I really have no idea ____________you want me to say. A.that what it is B.what is it that C.what it is that D.that it is what
A.  
单项选择题
I’ll never forget the poor village ________ we visited during the summer vacation. A.that B.where C.to which D.in which
A. 
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