would it be nice if it___summer all the year round

问题描述:

would it be nice if it___summer all the year round
b)will be c)shall be d) were
我感觉选D

对,因为是虚拟语气BC 为什么错呢虚拟语气只能用were,因为一整年都是夏天是不可能的。说到不可能的事情,只能用were。