题干
—Where did you go last week?
—I went to Zhang Aiping’s hometown and visited the house he was born in.
—I went to Zhang Aiping’s hometown and visited the house he was born in.
A：that
B：there
C：who
D：whose
答案(点此获取答案解析）
A
=﹣1，则x和y之间的关系是