Last summer holiday I went back to my hometown the neighbours and the house I used to

问题补充：

Last summer holiday, I went back to my hometown, the neighbours and the house I used to be familiar with were gone.

A. only finding; which

B. only to find; that

C. to find; whom

D. found; that

答案：

A. only finding; which

(答案→)B. only to find; that

C. to find; whom

D. found; that

解析：不定式only to find 表示意想不到的结果，后一空为定语从句，当先行词有人也有物时，关系代词用that。