问题描述：
重要是why 不是what
Had he no been so busy with work,he____more time time withhis child.
A would have spent B would spend
C must spend D should spend
He is welcome to the gathering,____he behaves himself.
A provided that B so that
C in case D in that case
重要的是为什么
Had he no been so busy with work,he____more time time withhis child.
A would have spent B would spend
C must spend D should spend
He is welcome to the gathering,____he behaves himself.
A provided that B so that
C in case D in that case
重要的是为什么
问题解答：
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