單項選擇：Theship       beforehearrived.Hehadtowaitforthenex...

問題詳情：

單項選擇：

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

知識點：動詞時態

題型：選擇題