9.Many countries are now setting up national parks animals_______and plants can be protected.

8.This is the diamond_______I spent all my money.

7.The student_____all of the teachers took great pride was admitted into Beijing University last year.

6.The man pulled out a gold watch, the hands______were made of small diamonds.

5.I've read all the books____you gave me.

4.A computer is so useful a machine____we can use everywhere.

3.Could it be in the room where we had a talk last night_______you left your keys?

2.A lot of language learning, ____has been discovered, is happening in the first year of life, so parents should talk much to their children during that period.

根据句意使用恰当的关系词填空（注意：填入的单词数量不得多于3个）

1.By 16：30，____________ was almost the closing time, nearly all the paintings had been sold.

5.他今天买了五本书，其中一本是小说。

He bought five books today,_________________•