题目内容
—Tom, why are you so unhappy?
— I didn’t get full marks in the exam _____ carelessness.
A.since B.because of C.as a result D.in order to
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题目内容
—Tom, why are you so unhappy?
— I didn’t get full marks in the exam _____ carelessness.
A.since B.because of C.as a result D.in order to