Fill in the blanks using the following expressions.
1. served
2. end
3. transformed
4. foster
5. cooperation

1. The teacher's task is to _____ learning.
2. For him, taking classes was an _____ in itself.
3. Schools need the _____ of parents.
4. He _____ as a captain in the army.
5. His words _____ the political landscape.

Answer key
1. foster
2. end
3. cooperation
4. served
5. transformed