1. I asked, "How many students are there in your class, Hoa?".
2. Mo asked, "What sorts of food do they serve, Nam?".
3. She asked me, "How big are the classes?".
4. Lan asked, "What games do you often play, Tung?".
5. Mo asked me, "What foreign languages do you study beside English?".
6. Mrs Hoa told her son to try his best to study.
7. John told Tom to give Tom's sister this book.