8. When Moris ... into the class the teacher .... a) went; made a speech b) went; was making a speech c) was going; had made a speech d) went; has made a speech

Краткое действие в прошлом выражается Past Simple (went), а действие, происходившее в этот момент, — Past Continuous (was making).

Ответ: b) When Moris went into the class, the teacher was making a speech.