Note the use of the conjunction in the following sentences to connect
the verb phrases. Supply the helping verb where it is omitted.
1. Our system of education is rooted and grounded in outgrown dogmas.
2. We have written but have received no answer.
3. Will you come or stay?
4. Man must struggle or remain in slavery.
5. The workers are organizing and demanding their rights.
6. We must arouse and educate our comrades.
7. We have sought but have not found.