1 . The main reason___________ I like her so much is___________ she is one of the kindest teachers I have ever had. (用适当的词填空)

2 . An accident happened on the main road. That is___________ traffic seemed to slow suddenly. (用适当的词填空)

3 . The family spent a great deal of money decorating their new house, and that is ________ they have been stuck in debt so far. （用适当的词填空）

4 . In winter, these mountains are covered in sheets of white frost. This is________ the terraces look like. （用适当的词填空）

5 . Part of the reason Charles Dickens loved his own novel, David Copperfield, was ________ it was rather closely modeled on his own life.

6 . Our city is not ____________ it used to be. (用适当的词填空)

7 . Modesty (谦虚) is a kind of good quality, which is________ makes you the best. (用适当的词填空)

8 . He is angry. The reason is_____________ he doesn’t like being laughed at in public. (用适当的词填空)

9 . The great thing about music is _____________it can bring people of different cultural backgrounds together. (用适当的词填空)

10 . —Are you a native of this town?
—I was born in New York, but this is_____________ I grew up. (用适当的词填空)