Ex. 5 Put the verbs in brackets in the correct form in the Past Continuous or Past Simple. 1. The police (arrive) while I (have) breakfast.
2. The storm (start) while they (drive) home.
3. I (see) an accident while I (wait) for the bus.
4. Mary (go) to several concerts while she (stay) in London.
5. He (have) supper when the police (arrive).
6. My father (cook) the dinner when he (burn) his fingers.
7. They (prepare) to leave when they (hear) the news.
Ex.6 Translate from English into Russian or Kazakh. 1. Solids have a set volume and shape.
2. Liquids have a set volume, but change shape.
3. The inter molecular force of attraction for gaseous matter is negligible.
4. An elementis a pure substance made up of atoms with the same number of protons.
5. The periodic tableis a tabular representation of the known elements.
6. A compoundconsists of two or more chemical elements that are chemically bonded together.
7. A mixtureconsists of two or more substances (element or compound) mixed together without any chemical bond.