1、  The new zoo is ________ than the old one.

2、  Last month, many trees _________ along the streets to make our city more beautiful.

3、  Would you please buy some milk, William? There _________ in the fridge.

4、  The story will become clearer to us _________ we read it a second time.

5、  I’m sure he’ll enjoy ________ us around the factory.

6、  —Must I clean the room at once?

7、  I’m not _________ sure whether Jerry will go to school with us tomorrow.

8、  Of the three brothers, the youngest runs _________.

9、  I’m looking for a babysitter (保姆). She must be neither too old _________ too young.

10、  The car is traveling _________ 40 kilometers per hour.

11、  Do you know that lady _________ red?

12、  My father has worked in the factory _________ he was 20 years old.

13、  My mother has never been to London, _________?

14、  —I can’t find my handbag!

15、  There are big trees on _________ side of the street.