1.Past Indefinite Tense, Present Perfect, Past Continuous or Present Perfect Continuous?
Little Mary came in. She … (eat) an ice-cream.
I dropped my bag when I … (run) for a bus.
I … (know) him for years.
She … (work) here for five years.
I … (return) home yesterday.

Привет! Я думаю так:
1) Little Mary came in. She was eating an ice-cream.
2) I dropped my bag when I ran for a bus.
3) I have known him for years.
4) She has been working here for five years.
5) I returned home yesterday.

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