问题补充:
— the population of the U.S.A. in ?
—It about 296 million.
A. What is; is B. What was; was C.How many was; was
答案:
解析:what什么;how many多少个;句意:2005年美国的人口是多少?——大约两亿九千六百万。英语中询问某国、某地有多少人口时,不用\How much...?\,而用\How large...?\;在问具体人口时用\What...?结合语境可知上下文描述的是过去某事的状态,故用一般过去时态。选B。