____the population of America?how many,howmuch,what't,how't

____the population of America?how many,howmuch,what't,how't
____the population of America?how many,howmuch,what't,how't

____the population of America?how many,howmuch,what't,how't
答案是whant's ,原因是由于population这个单词导致的 因为它本身的意思就是人口数目 而how many后边通常要加people表示实体人的这样的单词

what's