根据句子意思，在空格中填写适当的单词，使句子完整、正确。（共8分）
February is the       month of the year.
The box is very light, so I can lift it by    .
I can’t help you      you tell me what’s wrong.
As a citizen, we mustn’t do anythingthe law.
Lucy was very , so she drank two glasses of water.
Susan's parents were disappointed when they knew Susan    the exam.
If I   my father's birthday, please reminded me.
The book to Alice because her name is on it.