公共英语一级

单选题—Why won’t you go to the movie with me，Betty?
—Because I__________it twice． 
[A]saw
[B]have seen
[C]will see

参考答案：B进入在线模考
[B]。考查时态。由句意与常识可知，这里应当是指“我已经看过两遍了”，所以Betty才不再去看，因此应用完成时态，选[B]。 

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