The wheel is thought to be ____ invention of the fist importance _英语解答

The wheel is thought to be ____ invention of the fist importance in ____ human history
A an,the B an,/ C the,the D the,/,

人气：245 ℃　时间：2019-10-11 09:48:52

解答

特定的哪一个用定冠词the,这里专门指the wheel
in human history在人类历史上固定词组搭配