1. A)根据语境用括号内所给单词的适当形式填空。

1. （1） There are two(tower)in the park．

3. （2） Mike(invite)me to his birthday party yesterday．

5. （3） How many(competition)did you enter at school last year?

7. （4） Sandy(mix)the salt and the water just now．

9. （5） That country has two    (king)．That's strange．