题干
—— I've found a wallet at the gate. is it? —— Oh, it's mine.
A：Where
B：What
C：Whose
答案(点此获取答案解析）
C
—— I've found a wallet at the gate. is it? —— Oh, it's mine.
A：Where
B：What
C：Whose
4NO(g)+6H2O(g),下列叙述正确的是
和 
．