Ex. 2. Укажите верную глагольную форму.
1. By comparison with the (a. begin/b. beginning/с. having begun) of the twentieth century the accumulation of carbon in the atmosphere has increased dozens of times. 2. Precipitation (a. fall/b. falling/с. is falling) to the earth's surface is either retained where it falls or finds its way into the surface-channel system of the basin. 3. (a. Taking/b. Taken/с. Took) England and Wales as a whole the period from May to September was drier than any of the last 200 years. 4. The more rapidly (a. move/b. moving/с. being moved) molecules escape from the water into the air. 5. Many of the fogs observed on the Grand Banks were tropical-air fogs already in existence before (a. reach/b. reaches/c. reaching) the cold waters near Newfoundland. 6. Weather radar can give useful information (a. concerned/b. concerns/ с. concerning) mesoscale systems.
