“What's the population of XXX?”一句的主语是哪个?是the population of XXX?还是“What”?就是在做直接引语转间接引语时,特殊疑问句的顺序中的……

“What's the population of XXX?”一句的主语是哪个?是the population of XXX?还是“What”?就是在做直接引语转间接引语时,特殊疑问句的顺序中的……
“What's the population of XXX?”一句的主语是哪个?
是the population of XXX?还是“What”?
就是在做直接引语转间接引语时,特殊疑问句的顺序中的……

“What's the population of XXX?”一句的主语是哪个?是the population of XXX?还是“What”?就是在做直接引语转间接引语时,特殊疑问句的顺序中的……
the population of XXX?
在做直接引语转间接引语时,特殊疑问句的顺序中的What主语.
“What's the population of XXX?”这一句的主语是the population of XXX.
意吧.

......is what 系表结构 换顺序后IS前面的全是主语

the population of XXX