Mr.Smith was surprised to find the watch he had____ was nowwhere to be seen.

问题描述:

Mr.Smith was surprised to find the watch he had____ was nowwhere to be seen.
A.itB.it repaired C.repairedD.to be repaied

C
he had repaired作定语修饰the watch
不能选B.因为如果加it就违反了定语从句的规则.