1. People ( speak ) .............. English and French in Canada 2. They ( not do ).................. their homework last night  3. He ( not smoke ) ................... for two weeks. He is truing to give it up 4. My wife and I ( travel ) ............. to Mexico by air last summer 5. Be careful ! The baby ( sleep )........................ 6. My mother ( plant ) ..................... flowers in the garden at the moment. 7. ....................... Minh ( go ) ....................... to the dentist