it ( )sunny yesterday.the children ( )pretty happy.a.is;were b.was;are c.was;were d.is; are
问题描述:
it ( )sunny yesterday.the children ( )pretty happy.a.is;were b.was;are c.was;were d.is; are
答
C.was,werewhy由yesterday可知,应该使用一般过去时态。前一个空的主语是it, 为单数第三人称,所以用was;后一个空的主语 the children为复数第三人称,所以用were。