It's foggy today. I'm not sure _______ the highway will be closed soon.
This programme takes ______ the Asian tigers.
He took down the old map on the wall and ______ a new one instead.
He was charged ______ robbing a bank. Also he was guilty ______ other crimes.
I wonder ______ he is a young teacher or a student. Could you tell me?
Jack is a successful writer. He devotes all his energy ______ the novels.