88. Сделайте данные предложения вопросительными.

1. Did they finish the work? 2. Were they speaking to John? 3. Were they in their office? 4. Did Mr and Mrs Wilson visit their friends in Detroit? 5. Did the teacher tell the students the answer to the question? 6. Was that movie about Wilson's life interesting? 7. Was Mr Harris explaining the meaning of the word to her? 8. Were those men from South America at the meeting? 9. Did the students study carefully for the examination? 10. Did the Wilsons sell their house at a low price?