Hydrogen and oxygen,( ) ,are gasesA.such as B for example Cfor an_英语解答

Hydrogen and oxygen,( ) ,are gases
A.such as B for example Cfor an instance Dtake for example
要理由

人气：149 ℃　时间：2020-05-18 19:57:52

解答

B
C如果是for instance也可以.
B和C都可以放在句子中间,用逗号隔开
such as 后面直接跟名词