您的位置: 首页 > 作业答案 > 英语 > it is important for us_____ english well 1.to learn 2.learning 3.learns 4.learned

it is important for us_____ english well 1.to learn 2.learning 3.learns 4.learned

分类: 作业答案 • 2021-12-31 13:56:49

问题描述：

it is important for us_____ english well 1.to learn 2.learning 3.learns 4.learned

答

to learn

这是固定句型It is adj.for sb.to do sth.