问题
选择题
I supported him in time , otherwise he_______off the bike .
A．might fall
B．would fall
C．should have fallen
D．would have fallen
答案
答案：D
otherwise 否则，相当于if not。本句可改为： if I hadn’t supported him in time, he ___off the bike。显然，这是与过去事实相反，主句应用would/could…+have done。故选D。