Complete the sentences with the correct form, Pst perfect or Past Perfect Continious, of the verbs in brackets.
1. We _had been waiting_ (wait) for the bus for a long time whhen a man offered us a lift. (пример/example)
2. We found out that our school ________(be) the best school in our city 20 years earlier.
3.I helped the woman carry her shopping because she ____(push) her shopping trolley with difficulty.
4.I couldnt fall asleep because i _____(watch) horror films all evening.
5. I didnt know that my father_____(travel) to Africa as a student,
6. I failed the exam because i______(not read) the most important book.