题干
Yesterday an old man's house was _______fire. And now he is_______ hospital.
A：on; on
B：in; on
C：on; in
D：in; in
答案(点此获取答案解析）
C
Yesterday an old man's house was _______fire. And now he is_______ hospital.
A：on; on
B：in; on
C：on; in
D：in; in
