Rewrite sentences as directed: Whose book is this?

Rewrite sentences as directed.
1. Whose book is this?
Who...?
2. How much is that pen?
How much does...?
3. How heavy are you?
How much... ?
4. Lam is Mrs. Hoa' s son
Mrs. Hoa...
5. Mr. Ba is the owner of this house .
This house...
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