问题补充:
-Who’s that?
-
A. He is my brother.
B. That’s my brother.
C. It’s my sister.
D. She’s my sister.
答案:
A. He is my brother.
B. That’s my brother.
(答案→)C. It’s my sister.
D. She’s my sister.
解析:句意:—那是谁?—她是我的妹妹。当上句用that作主语时,下文不能用that来回答。本题考查交际用语中的习惯用法,故选C.