1. do 2 do 3 make 4 do 5make 6 make 7 do 8 make 9 do 10 do
the words of the fourth lesson, the pages of that book, the new words of those lessons, three pieces of chalk, the color of this bag, the walls of our audience, the workers of Kiev
1.
What are you ( doing) here? — I (am prepar<span>ing) for my report. — How long (have you been prepar</span><span>ing) for it? — Oh, I (have been work</span><span>ing) since morning. 2. He (had been teach</span><span>ing)
at school for five years when the war ( broke) out. 3. She (has been study</span><span>ing)
English since last year. 4. What are you ( read</span><span>ing)? — I (am read</span><span>ing) a
magazine. — How long have you (been read</span><span>ing) it? — I (have been read</span><span>ing) it for half an
hour. 5. She (had been liv</span><span>ing) in Moscow for ten years when her sister (came)
to live with her. 6. Our teacher (has come). Now he (is speak</span><span>ing) with our
monitor. 7. They (were speaking) when I ( looked) at them. 8. I (had been walk</span><span>ing)
about an hour when I (saw) a little house not far from the river. 9.
When he (had read) the newspaper, he ( gave) it to his brother. 10. He
( left) for Rostov in 1990 and since then he (has been liv</span><span>ing) there. 11. At
this time tomorrow we (will be discuss</span><span>ing) your report. 12. Now she (is read</span><span>ing)
the book which I (gave) her yesterday. 13. Have you ever (been) to
London? — Yes, I (was) there last summer. 14. What is your friend (doing)
now? — She (is hav</span><span>ing) dinner. She usually (has) dinner at this time.
15. I (have bought) a new dress. I (will show) it to you tomorrow when you ( come) to my place. 16. So you begin working tomorrow! And who (will take)
care of your children when you ( go) to work? 17. Hello, Peter! Where
are you ( go</span><span>ing)? — I (am go</span><span>ing) to the library. </span>
There aren't any cucumbers in the cupboard.