always think __ important to learn english well.

always think __ important to learn english well. they think it very important to learn english well.think 后形式 i used to think __ hard to learn english well.but i find __ to learn English well is important It's important to learn English well. I found __ very important to learn English well.选择it 还是 it's I think the most important thing to learn english well is （ We think it important to learn English well.it后为什么不加is I think that it is important to learn English well.(同义句转换) l think that it is important to learn English well改为简单句 We think that it's important for us to learn English well .W I think it important for us to learn English well 是否正确