— the population of the U.S.A. in 2009?
—It about 309 million.
A.What is; is B.What was; was
C.How many is; was D.How many was; is
— the population of the U.S.A. in 2009?
—It about 309 million.
A.What is; is B.What was; was
C.How many is; was D.How many was; is