There are always many people _____(buy) things in the supermarket_英语解答

There are always many people _____(buy) things in the supermarket.应填什么?
那个空,是填原型还是buying

人气：290 ℃　时间：2019-08-18 02:50:11

解答

填buying.句子的谓语只能有一个are,填原型谓语就重复了.这个是There be句型.