. ---Can those ___ at the back of the classroom hear me?---No problom.
Tom came back with a message ________ there would be a test soon.
They have no idea at all ________.
The notice came around two in the afternoon _______ the meeting would be postponed.
—Is there anything else to discuss?—_______. I guess.
Before you pay a visit to a place of interest, look in your local library _______ a book about it.