1. He … to be here half an our ago. a) was supposed; b) is supposed; c) has
2. Am I … to call him back?
a) suppose; b) supposing; c) supposed
3. I promise that the letter … to you as soon as possible.
a) has delivered; b) will deliver; c) will be delivered
4. Everybody knows that the sun is the origin source of all the energy … in fuels.
a) storing; b) stored; c) stores
5. The weight of a body … as the force of gravitational attraction exerted on the body by the earth.
a) defines; b) is defined; c) define
6. Detailed attention … to the problems connected with the experiment.
a) gave; b) was given; c) will give
7. Generators are usually serviced in the manner … before.
a) is explained; b) explained; c) will be explained
8. The new instrument developed at this plant …in two weeks.
a) is tested; b) was tested; c) will be tested
9. The principle of this device … in detail in the previous article.
a) was described; b) is described; c) will be described
10. The material … to in this report is difficult to find.
a)refering; b) is referred; c) referred
вот ответ если нужна