Ex.2. Выберите правильный вариант Past Perfect Continuous:
1. Helen (A. has been playing B. had been playing C. had been played) for an hour
and a half before Tom came to the court.
2. Mr Black (A. had been worked B. has been working C. had been working) as a
lawyer for 25 years before he retired.
3. We (A. had be waiting B. had been waiting C. have been waiting) for forty
minutes when the bus arrived.
4. Sheila looked tired because she (A. had be sewing B. has been sewing C. had
been sewing ) a dress for her little daughter all day.
5. Before Jack got to level four he (A. had been playing B. had been played C. has
been playing ) the same game for three hours.

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