—_____ the population of the U.S.A. in 2005?
—It _____ about 296 million.
A. What is; is B. What was; was C.How many was; was
—_____ the population of the U.S.A. in 2005?
—It _____ about 296 million.
A. What is; is B. What was; was C.How many was; was