Question

Task 4 (score 2): Make up sentences of the following words. 1. writer, world, is, in, this, known, the, whole. 2. the, Ukrainian, name, most, historians, prominent. 3. much, this, energy, to, scientist, gave, attention, and, problem, the. 4. Newton's, phenomenon, work, a, such, before, was, unknown.

Task 5 (score 1): Put all kinds of questions to the sentence. Each factory purifies the same water.

Task 6 (score 2): Use Future Indefinite or Present Indefinite. 1. Please turn off the light when you (to leave) the room. 2. Before he (to start) for London, he (to spend) a week or two at a health resort far from here. 3. If Nick (not to work) properly, his boss (to fire) him and (to hire) Jane. 4. She (to walk) home if it (not to be) too cold. 5. I (to see) you before you (to start)?