Odpowiedź:
1 What did your friends give you for your last birthday. ( S. Past, bo last)
2 Sam has never flown on a jet plane yet. ( P. Perf. , bo yet)
4 Unfortunately, the weather hasn't improved since March. ( P P., bo since)
9 In the fifties, children didn't play with such unusual toys. (S.P., bo in the fifties, w latach pięćdziesiątych).
11 Paul last phoned me ages ago. ( S. P. , bo ago).
16 It has been so hot for two weeks now. (P.P., bo for)
