[Prepositions] Exercise 3: before; after; during; while

Complete the sentences, keeping the same meaning. Use the word in parentheses. Example:Sara was living in Kenya. She met her husband there.(while) Sara met her husband while she was living in Kenya.Bob always checks his briefcase first. Then he leaves for work.(before) Bob always checks his briefcase before leaving for work. 1. I exercised at the gym. Then I took a shower.(after) I took a shower after exercising at the gym. 2. Let's not talk about work. We're having lunch now.(during) Let's not talk about work during lunch. 3. Don't go to bed without locking the doors.(before) Lock the doors before going to bed. 4. Many people watch TV and eat dinner at the same time.(while) Many people watch TV while eating dinner. 5. Mike and Sally met each others' parents. Then they got married.(after) After meeting each others' parents, Mike and Sally got married. 6. People need to stay calm while they are taking a driving test.(during) People need to stay calm during a driving test. 7. Josh got dressed first. Then he washed his face.(after) Josh washed his face after getting dressed. 8. Margie got sick during dinner.(while) Margie got sick while eating she was eating dinner. 9. I only watch TV at night.(during) I never watch TV during the day. 10. Pete studied Arabic. Then he went to Egypt.(before) Before going to Egypt, Pete studied Arabic. 11. I waited to see the doctor. I read magazines during that time.(while) I read magazines while waiting to see the doctor.