This book tells __ life story of John Smith, who left __ school and worked for a newspaper at the age of 16.
I think, though I could be mistaken, ______ she liked me.
Everyone knows, perhaps except you, _______ your girl-friend is a cheat.
Someone is ringing the doorbell. Go and see ______.
It was ten o’clock _____ he came back home.
“Where _______ go to work?” “Where _______ go to work is not known.”