Rewrite the questions in reported speech, using WH_/H_+ to Infinitive: "What should we do to help those disadvantaged children?"

Rewrite the questions in reported speech, using WH_/H_+ to Infinitive
disadvantaged children?"
VI.
18. "What should we do to help those
Nam asked Hoa
19. "Should I tell her the truth about her misery?"
He was not sure
20. "When should I register for the new course on Japanese?"
Jim asked his teacher
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