--Have you found your book yet? --- No, I’m not sure where I________ it?
Many questions ________ at the meeting, but he answered none.
It was very difficult to ______ the excited football fans.
It was the first time that Tim ______ a lie. He was scared.
Sarah wondered what ______ her 70-year-old grandpa would make of the new computer.
It was _____ who telephoned me yesterday.