Thesmallboatwasalmostsunkbythedinosaurswhichsuddenly

问题详情：

 The small boat was almost sunk by the dinosaurs which suddenly ________ to the surface, fighting each other, but fortunately the three men ________  get away.

A. rose; could                                    B. rose; were able to

C. arose; could have been able to                    D. raised; could have

【回答】

B

知识点：一般过去时及其被动式

题型：选择题