we think it possible to learn English well in three years.

we think it possible to learn English well in three years. To learn english well we better speak it------possible. We think it important to learn English well.it后为什么不加is We began to learn English three years ago. we began to learn english three years ago 同义句 I think it hard to learn English well if we don't work hard I think it to learn English well if we don'twork hard.的分析 We think that it's important for us to learn English well .W It ___about three years since Dean began to learn English I think it necessary to learn english well.同义句 Some students think it difficult to learn English well. That We are e_____ to learn English well,for it is widely used in