一般过去时与过去完成时的区别 — 英语选择题
题目
At noon, the ship reached the island. The sailors ___ the supplies by 11 a.m., and they ___ the island at 1 p.m. Choose the best forms to show the earlier and later past actions. A. had packed; explored B. packed; had explored C. had packed; had explored D. packed; explored