John didn’t feel well yesterday; otherwise he to see his friend off at the airport.
A. came
B. would e
C. would have e
D. should be ing
网友回答
A. came
B. would e
(答案→)C. would have e
D. should be ing
解析：考查虚拟语气：句意：约翰昨天感到不舒服，否则，他就会去机场给朋友送行了。Otherwise相当于if he had felt well，是隐含的虚拟语气，从句用would have done表示和过去相反的虚拟语气。选C。