问题

We never know____________ because happiness is everywhere.
A:how happiness will show up next.
B:where will happiness show up next,
C:how will happiness show up next,
D:where happiness will show up next,;
B:where will happiness show up next,
C:how will happiness show up next,
D:where happiness will show up next,;
正确答案是:
同类题型
I thought she was the very girl that I should marry _______ I met her.
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