Пожалуйстааааа помогите,дам много баллов,напишите все 7 ответов

1. I was at work yeasterday afternoon. неуверена2. Where were you at six o`clock.3. I was at my friend`s flat on Wednesday evening.4. непонимаю5. Were you at home at half past twelve?6. Where were you on Monday morning?