I didn’t know he came back __________ I met him in the street .
-- We can’t find Jim anywhere. Where is he?-- Perhaps he _____ home.
Alice likes music _____ is quiet and gentle, because it can make her_____.
_____ hard work it is! But the students are working hard to finish it as soon as possible.
Of the two American students, Mary is ____ one. I think you can find her easily.
-- Is there _____ in today’s newspaper?--No, there’s _____.