Writing this book has been a great pleasure a true______of love.A.laborB.wishC.dreamD.luc

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Writing this book has been a great pleasure, a true______of love.

A.labor

B.wish

C.dream

D.luck

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗