单项选择：Theship       beforehearrived.Hehadtowaitforthenex...

问题详情：

单项选择：

The ship        before he arrived . He had to wait for the next .

    A. set off    B. had set off             C. would set off   D. will set off

【回答】

B

知识点：动词时态

题型：选择题