问题
单项选择题
That man must have the strength of a hippopotamus, or he never______that great beast.
A．could have vanquished
B．would vanquish
C．should have vanquished
D．had vanquished
答案
参考答案：A
解析： 28．此句中的or意为“否则”，此句为假设条件被隐蔽的虚拟句。