Scientists have learnt a lot _________the kinds of food peop
Scientists have learnt a lot _________the kinds of food people need.
A.of
B.from
C.about
D.at
顺便帮我讲一下哈
A.of
B.from
C.about
D.at
顺便帮我讲一下哈
可能相似的问题
你能帮帮他们吗