1 When my telephone (rang), I (was watching) my favourite tv programme.
2 My friend and I (were dancing ) while my sister (was playing) the piano.
3 While Mr Brown (was driving) home, his family (were working) in the garden.
4 When the lesson began, all the pupils (were sitting) at their dasks.
5 John (was riding) in the park when he (saw) his friend Sam.
<span>My character is not a long essay. Так нужно?</span>
<em>1) who began;</em>
<em>2) who was;</em>
<em>3) who teaches;</em>
<em>4) who uses;</em>
<em>5) who often does;</em>
<em>6) who wants to make;</em>
<em>7) who was;</em>
<em>8) who has got.</em>
<span>1. The fashion for mini-skirt (reduced) the demand for textile materials.
2. Even in (some) middle-income countries many people are very poor.
3. Government regulations sometimes (impose) a change in (technology) that producers do not want to use.
4. Stabilization of prices is of great importance to industrial nations (as well as) to the Third World countries.
5. Freeing up prices leads to their (increase).
6. (Inferior) goods are usually low-quality goods for which
there are higher-quality (substitutes) sold at higher
prices.
7. A decrease in ( input) prices makes the production less expensive. </span>