they very happy 中空的选择?A.LOOKING B.LOOK C.LOOKS D.to look

分类: 作业答案 • 2021-12-01 17:38:10

问题描述：

they very happy 中空的选择?A.LOOKING B.LOOK C.LOOKS D.to look
能简单说下为什么吗

答

B能简单说下为什么吗？前面是这样，。。the children are playing in the bedroomthey是复数所以用look 不能用lookslooking前面必须有be动词to look不能作谓语look在此为系动词后面跟形容词意为“看起来...”