Контрольные задания > 11. We had ... English lesson yesterday. ... teacher asked me many questions. ... questions were difficult.
Вопрос:
11. We had ... English lesson yesterday. ... teacher asked me many questions. ... questions were difficult.
Ответ:
11. We had an English lesson yesterday. The teacher asked me many questions. The questions were difficult.
Пояснение: Так как урок английского языка - один, используем неопределенный артикль "an". Далее речь идет о конкретном учителе и конкретных вопросах, поэтому используем определенный артикль "the".