英语 九年级 选择题 标准 ★ 精品

用过去完成时叙述事件先后顺序 — 英语选择题

沪教版·英语(初中) Module 1 Unit 1 Great explorations AI 三重审校通过

题目
Zheng He set sail for his first voyage in 1405. By the time he began his seventh and last voyage in 1430, he ______ (complete) six great voyages. Which of the following is correct? A. has completed B. completed C. had completed D. was completing