Question

 (2010年济南4月模拟)She’s in a hopeless situation，________we will keep a very close eye on.

A．where                          B．when

C．which                          D．that

Answer 1

解析：选C。考查定语从句。该定语从句的先行词是a hopeless situation。此处关系词在从句中作on的宾语，同时这里又是非限制性定语从句，所以应该用关系代词which，选C项。