31．It has been foggy for five days．How I wish it______ sunny now!
A
would be
B
were
C
had been
D
is
wish引导的宾语从句要用虚拟语气，对现在的虚拟，动词栋过去式，be动词只能用were，不能用was。所以选B。
考查虚拟语气。
没有掌握wish接宾语从句要用虚拟语气而误选D。