— You should be careful when ________.— Yes, I will.I’d like to know when ________ to have a rest.
---What was Jim wearing at the party?--- Nothing _______. He was in his usual shirt and jeans.
---What did you do yesterday?---My brother took two friends of _______ to play chess with us. But I don’t know________ of them.
---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.