问题
选择题
_____ you come to Brunei, you would have to take off your shoes before going inside someone’s home.
A．should
B．had
C．were
D．if
答案
答案：A
本题考查虚拟语气。这是一个表示将来的虚拟。从句should you come to Brunei="if" you should come to Brunei.主句，Another thing is that you would have to take off your shoes before going into.表将来用would +动词原形。选A。