Выберите правильный вариант. 1. when your homework? a) are you doing b) you do c) you doing d) do you do 2. i cook meals and my sister dishes. a) is wash b) is washing c) washes d) wash 3. my parents in a very small flat. a) lives b) live c) living d) is living 4. the earth round the sun. a) going b) has gone c) goes d) go 5. these people an active part in the construction of new industrial enterprises. a) took b) is taking c) has taken d) was taking 6. they this problem from different points for two hours yesterday. a) considered b) were considering c) have considered d) are considering 7. the students of geological institutes in geology. a) specialize b) have specialized c) is specializing d) were specialized 8. at that time he the material for his graduation paper. a) collected b) is collecting c) were collecting d) was collecting 9. since that time it a tradition that the courses are based on the intensive tutorial system. a) has become b) is becoming c) become d) was becoming 10. she doesn't know who on this important problem at her institute now. a) work b) works c) was working d) is working

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