There ____a picture and a map on the wall.横线里写什么?为什么呢?说清楚点.
问题描述：
There ____a picture and a map on the wall.
横线里写什么?为什么呢?说清楚点.
答
is,就近原则。如果a picture and a map做主语就要用复数了
答
用 is ,这是there be 句型的就近原则。
Instance:
There is a pen and 10 books on sale.
答
is,因为前面picture是可数名词单数,语法中的就近原则
答
is