does the sun ___ ____ in the west
问题描述:
does the sun ___ ____ in the west
答
as if后一般用虚拟语气:1,.与现在事实相反用过去式(be动词用were),本质上讲就是原来的时态退后一格,此处就是这情况,本来应the sun circles round
答
comes up