世界上面积最大的洲是( )
A:亚洲
B:欧洲
C:北美洲
D:南极洲
①自然;②自然中某一具体事物(如花草树木、动物等);③人类。
一 A stranger is walking ahead of us.
一 No. It's not a stranger. It's Mike's father.