I supported him in time , otherwise he ______ off the bike .
A.might fall
B.would fall
C.should have fallen
D.would have fallen
网友回答
D解析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。