單項選擇題

Cn you tell me _______ when I clled you wht were you doingB.whtre you doing C.wht you were

Cn you tell me _______ when I clled you wht were you doing B.whtre you doing C.wht you were doing D.wht youre doingA.what were you doingB.what are you doingC.what you were doingD.what you are doing
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