Radionica engleski 27.

29. We (live) in Scotland until I (be) eighteen.
Answer:
lived; was
Why not:
had been living; was

Here is the explanation in grammar:

To talk about finished actions, we can use the present perfect or the simple past. It often depends on the kind of time expression that is used. We do not normally use the present perfect with expressions which refer to a finished time, like yesterday, last week, three years ago, then, when, (I am adding: until). We normally use the present perfect with expressions which refer to 'any time up to now', like ever, never, before, recently, often, already, yet.

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