根据下列句子及所给单词的首字母，写出各单词的完全形式（每空限填一词）。

1. Of the twelve m_____ in the year, January comes first.

2. Jackie, do remember to wash your hands b_____ the meal!

3. Mary's suitcase was too heavy; Mike c_____ it upstairs for her.

4. I'd like to s_____ the last cake with you; you have half and I'll have half.

5. Mobile phones cost less now; they are much c_____ than they once were.

6. Many people believe that it is a good h_____ to get up early in the morning.

7. Shakespeare was b_____ on April 26, 1564 and died on the same day in 1616.

8. If something happens s_____, it happens quickly and unexpectedly.

现有乙酸、苯、苯酚、苯甲酸四种有机物组成的混合物，可按右面的图示程序进行分离（已知苯甲酸是微溶于水的白色晶体）。

请在圆括号内填上适当的试剂名称，在方格号内填上分离操作的名称，在方框内填上适当物质的化学式。