Exercise 70. Постройте отрицания и вопросы из следующих предложений. Например: Не had done his homework by 5 o'clock. - He hadn't done his homework by 5 o'clock. Had he done his homework by 5 o'clock? 1. We had finished the project by Monday. 2. Rick had written his CV by 5 o'clock. 3. The students had learnt all the topics by the time of the exam. 4. The secretary had typed the letter before the manager asked. 5. It had rained before.