题目内容
— Will you buy this T-shirt for Mum?
— I have no idea. I don’t know______ or not the colour matches her jeans.
A. if B. that C. why D. whether
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题目内容
— Will you buy this T-shirt for Mum?
— I have no idea. I don’t know______ or not the colour matches her jeans.
A. if B. that C. why D. whether