1. (2016·泉州) 选择括号内恰当的单词填入空白处，使句子完整、正确。

1. （1） （What/How）a heavy stone!
3. （2） February is the （two/second）month of a year.
5. （3） Whose home is （far/farther）from school, Alice's or Daisy's?
7. （4） We must try （our/ours）best to protect plants. They're important to human beings.