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1. Ha Noi is the place where I'd like to come .
2. Summer is the time when the weather is very hot.
3.The bed which I slept in last night was comfortable.
4. I never forget the park where we met each other for the first time.
5. I do not know the reason why she left school.
6. We have not decided the day when I'll go to London.
7. Our school has a good laboratory where the students practice chemistry.
8. Our school has a good library where Mr.John designed.
9. 7:30 is the time when my plane will arrive.
10. I love my parents' house where I was born.
