1. No One Is an Island= people cannot live completely apart from others
Lesson 13 p

2. make up one’s mind to decide
Alex is considering several colleges to attend, but he hasn’t made up his mind yet.
When are you going to make up your mind about your vacation plan.

3. used to + (v. base form) Did you use to take the bus to school?
Something you did in the past, but you don’t do it anymore.
You used to be in Level-3, but now you are in Level-4.
Did you use to take the bus to school?

4. quite a few + (plural count noun)
many
Quite a few students were absent yesterday; in fact more than half didn’t come.

5. make friends to become friends with others
It is difficult for shy people to make friends.
During the party, Brian made friends with almost everyone.

6. keep + (gerund) = keep on + (gerund)
to continue
Mr. Wilson kept working after he turned 65.
Will you keep on studying English after you finish Level-4?