На рисунке представлен график зависимости амплитуды А вынужденных колебаний от частоты v внешней силы.

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жания112 · Accepted Answer

1. ... she ... summer holidays in the country every year? - Yes, she has many friends there.
a) Does ... spend

2. We stayed at home last weekend because my brother ... ill.
a) was

3. Mum, I ... a sore throat. Could you make me some lemon tea?" - Of course, dear.
b) have

4. What ... you ... to do next weekend?
c) are ... going

5. Now he ... a big collection.
b) has

6. When ... the friends ...? - Two day ago.
a) did meet

7. How is Alice? - Thanks, she ... better today.
b) feels

8. ... you ... after lessons and help me to decorate the hall?
c) Will ... stay

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