I don't know ________________.
A. how many children he has
B. how many chidren does he have
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________________ is not important.
A. How close we are
B. How close are we
________________ was sad.
A. What did she say
B. What she said
We are not responsible for ________________.
A. what our children say
B. what do our children say
Is it true ________________ about you?
A. what did he say
B. what he said