英语 九年级 填空题 较难 ★ 精品

过去进行时 — 英语填空题

人教版·英语(初中) Unit 8 It must belong to Carla. AI 三重审校通过

题目
At exactly 9:00 last night, Mia and Leo ___ (look) for the owner of a silver key, while the phone in the empty office ___ (ring). Fill in the blanks with the correct forms of the verbs.