问题
选择题
(2013·天津南开中学高三二模) ________ it rain tomorrow, we should have to put off the visit to the Yangpu Bridge.
A．Were
B．Should
C．Would
D．Will
答案
答案：B
选B 句意：如果明天下雨，我们应该推迟参观杨浦桥。从句表示与将来事实相反的虚拟语气，用一般过去时、should加动词原形或were to加动词原形，且should或were可以提前。