They still go on working, they feel tired.
Yesterday, Jack was asked to make _______ speech in ______ front of the classroom to report what he did during the National Day.
Could you tell me _______ a concert in Nanjing next week?
–I’m very sorry I broke your cup. --________.
_________ you were sleeping, Hack was practicing playing football.
The born artist devoted all the time he had ______ for something better or different.