Answer:
The correct words to fill the blanks in order are:
- Teach
- Understand
Step-by-step explanation:
The first thing I believe you have to keep in mind when filling the blank spaces from this excerpt is the time in which it is written. In this case, it is written in present, so you should pick from the verbs that are in that time. The options are understand and teach. The order would be given by reading and understanding the context. If children are students, they will probably be understanding new words that the professor teaches.