назвать вещества: H2C=C=CH-CH3; C4H7-C2H5

THE PAST PROGRESSIVE AND PAST SIMPLE TENSE

Упражнение 3. Закончите предложения, употребив "did, was, were".

1. ___  you working when I rang?
No, I __ n`t

2. ___ you see me on television?
Yes, I __

3. What ___ you doing when they arrived?
I __ reading the paper.

4. ___ they working hard?
No, they ____

5. ____ she crying when you saw her?
Yes, she ___

6. ____ they speak to you when you met?
No, they ___ n`t

7. Peter ___ still lying in bed so he _______ n`t hear the doorbell.

8. ____ the police find the man?
No, they ______ n`t

He _____ hiding in an empty building.

9. I ___ looking for some photos when you rang but I _______ n`t find them.

Люди я что-то не пойму как делать сделайте плиз

5 предложений из художественных текстов в несвойственной верменной форме

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