I _____a girl and Tony______ a boy. A.is ; am, B. am ;is C. am; are
--- Mary, where do you work? --- I work in a company _____ sells clothes.
—Have you finished your homework? —Not _____. There are still some exercises to be done.
—What did our geography teacher say? —She told us that the earth _____ around the sun.
Has your sister succeeded_____ the first place at the university this term?
The cleaners must prevent the street _____.