---Have you returned the book to the library ____? ---Yes, I have ____ returned it.
-I find being a dancer is fantastic. -_______. But you don’t have the talent.
-Did you you have a great time at the party? -Yes, it’s ______ one I’ve ever been to go before.
-What did you see, Mary? -I saw a lot of trees on _____ of the lake.
Everything is packed, and we ______ leave.
- How do you go to work? -By bus. Taking buses in Ningbo is _____ than taking a taxi.