zad 1
1 for
2 since
3 since
4 for
zad 2
1 John has taught English for three years
2 I haven’t eaten meat since last July
3 You have lived in Warsaw since 2015
4 My friends haven’t gone backpacking since last year
5 They have studied English for six years
zad 3
1 We have already booked our flights
2 My sister hasn’t finished her homework yet
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