---Bob has gone to California.---Oh, can you tell me when he _________?(2011北京卷32)
______ is going to the north of Alaska to take another advantage there.
They ______ to escape from prison last month, and now the police are still tracking them down.
It was at the entrance ______ we stood chatting ______ the accident happened.
For a long time they walked without saying ______ word. Jim was the first to break _____ silence.
---Are my clothes too casual? ---No.You can go______you are.