M. Check your grammar: multiple choice - prepositions of time Circle the correct sentence. 1. a. We were waiting during five hours. b. We were waiting for five hours. c. We were waiting at five hours 2. a What are you doing at the weekend? b. What are you doing in the weekend? c. What are you doing the weekend? 3. a. It's so beautiful in the park on summer! b. It's so beautiful in the park at summer! c. It's so beautiful in the park in summer! 4. a We woke up on dawn because of all the mosquitoes! b. We woke up in dawn because of all the mosquitoes! c. We woke up at dawn because of all the mosquitoes! 5. a. I'm going on holiday tomorrow! I'm going in two weeks b. I'm going on holiday tomorrow! I'm going for two weeks. c. I'm going on holiday tomorrow! I'm going at two weeks. 6. a. I always go out at Friday nights. b. I always go out on Friday nights. c I always go out in Friday nights 7. a. It's very noisy at night in this street b. It's very noisy in night in this street. c. It's very noisy on night in this street 8. a. I'll see you on next Friday b. rll see you next Friday c I'll see you on at next Friday