You have undefined exercise to review.
We recommend you to start with lesson 1, as lessons tend to build on one another.
|1. random phrases|
|2. expand your vocabulary|
|3. Japanese Verbs (regular)|
|4. suru verbs|
|12. 要する ようする to need, to demand, to take, to require|
|13. overtime work|
|14. narau - to take lessons in, to be taught, to learn (from a teacher), to study (under a teacher), to get training in|
|15. 経験 keiken けいけん experience|