8.I don't like the way which you speak to your mother.

7.Which we know,more than seventy per cent of the earth is covered with water.

6.This is the teacher whom we have learnt a lot.

5.She is the only one among us that know French.

4.Guilin is a city where has a history of 2 ，000 years.

3.Nobody wants the house which roof has fallen in.

2.This is the house where I lived in two years ago.

1.Let me have a look at the dictionary that you bought it yesterday.

10. I hope you will find this valley a beautiful place__________ you may spend your weekend.

9.Winter is the time of year__________ the days are short and nights are long.