1.  What's more, they don't know how to be romantic so they probably fail when paying court to girls.

2.  So before driving, you should know how to use the lights, check the windshield wipers, and adjust the seat belts.

3.  What's more, some students even don't know what love is.

4.  Next, we should know which words are used extensively and which words are never spotted in everyday life.

5.  Besides, you can know how to apply these words in the course of your reading.

6.  So he/she doesn't know which one is commendatory term and which one is derogatory term or whether the word is formal, colloquial, or informal.

7.  Nowadays, a lot of college students don't know whether they should fall in love with a girl or not.

8.  What's more, college students will know how to care someone.

9.  However, we don't know why apple made it like this.

10.  In the first place, we must know what the need of others is.