1. I am as busy as you were yesterday.
2. She spent time with her kid as much as she can.
-> She spent as much time as she could with her child.
3. He is not as handsome as his older brother.
4. The test was easier than I expected.
5. Ron is the fastest runner on the team.
6. The most effective way to prevent jaywalking is to increase fines. - by increasing
7. Japan's population is four times as big as than North Korea's.
8. People have more, they want more.
-> The more people have, the more they want.
9. You should quit drinking and smoking.
10. It is recommended that listening foreign language class is not mandatory.
-> Taking a foreign language is not mandatory but recommended.
11. I worked at the bank most recently. -> I most recently worked for a bank.
12. Learning can be both fun and rewarding. 재미있고 보람되다.
13. She is very kind as well as smart. -> She is not only smart but also very kind.
14. Your guess is as good as mine.
15. Doing a thorough job is more important than finishing a job early.
-> It is more important to do a thorough job than to finish quickly.