---When did it start? ---_________.
---The girls are talking about the art festival _________. ---Yes. They have so many fun things to share.
He lost his key. It made him ________ in the cold to wait for his wife’s return.
---___________ is the Summer Palace from here? ---About three kilometers away. You can take the No.35 bus.
__________ good time we had during the May Day holiday!
This week, the _______ seems to change every day: one day is hot; the next day is cold.