Task 1. Underline the correct preposition. 1. I have a shower in / on / at the morning. 2. They go on holiday in / on / at August. 3. My sister studies economics at / in/ to university. 4. My brother goes to bed in / on / at midnight. 5. Do you work at / in /to a hospital? 6. We have English classes in / on / at Tuesdays and Thursdays. 7. The children have lunch at / in / to school. 8. Tina works in / on / at the weekend. Task 2. Write the adverb of frequency in the correct place in the sentences. 1. Pilots sleep in hotels. (often). For example: Pilots often sleep in hotels. 2. I see my grandparents. (every weekend). 3. My girlfriend is late. (never) 4. The children walk to school. (every day) 5. Mike rides his motorbike to work. (sometimes) 6. 7 I'm hungry. (always)​