问题
选择题
I don’t know .
A．what the population of Tianjin is
B．what is the population of Tianjin
C．how much the population in Tianjin is
D．how much is the population in Tianjin
答案
答案：A
题目分析：宾语从句的结构：主语+谓语+连接词+从句。从句在句中作宾语。从句要用陈述句的语序。如果主句是一般现在时，从句根据需要选择时态，如果主句是过去时态，从句要用相应的过去时态。提问人口的总数用what.B语序错误，故选A