УПРАЖНЕНИЯ Употребите указанные в скобках глаголы в соответствующей popMe Present Indefinite:
1. We (to study) at the institute and at the same time (to work) at the plant. 2. The Soviet state (to help) workers who (to combine) work with studies 3. It(to be) necessary to study foreign languages. 4. This student (to have) a considerable experience in practical work. 5. This worker (to study) at our institute. 6. At the institute evening-class students (to learn) what is neces sary for an engineer. 7. Difficult things (to become) easy when the desire to study (to be) great.