【考例】

　　用适当的关系词填空。

1. I didn't become a serious climber until the fifth grade, ________ I went up to rescue a kite that was stuck in the branches of a tree.

2. Opposite is St. Paul's Church, ________ you can hear some lovely music.

3. I wish to thank Professor Smith, without ________ help I would never have got this far.

4. He wrote many children's books, nearly half of ________ were published in the 1990s.

【点拨】

1. when。设空处引导非限制性定语从句，补充说明先行词fifth grade，且在从句中作时间状语，故填when。

2. where。设空处引导非限制性定语从句，补充说明先行词St. Paul's Church，且在从句中作地点状语，故填where。

3. whose。设空处引导非限制性定语从句，补充说明先行词Professor Smith，且在从句中作定语，故填whose。

4. which。设空处引导非限制性定语从句，补充说明children's books，且在从句中作介词of的宾语，故填which。

说明：以上所选高考真题形式有所改动。

【即学即练】

用适当的关系词补全下面短文。

　　When I arrived in Moscow, all my friends and colleagues gave different advice about the best way to learn Russian. It is easy to find a teacher：Russia is full of underpaid (or unpaid) academics 1. ________ will explain every word and tense for a dollar or two. No one, however, suggested getting a dog but that is what we did.

And Rupert, as he is called, has introduced me to a large number of local dog owners, to 2. ________ I can now stand around chatting while our animals run and play.