I can never forget the day we worked together and the day _we spent together. A. w

I can never forget the day ____we worked together and the day _____we spent together.

A. when; which B. which; when

C. what; that D. on which; when

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I can never forget the day ____we worked together and the day _____we spent together. A. w

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I can never forget the day we worked together and the day _we spent together. A. w