Studying English is useful用It is···to的句型改

Studying English is useful用It is···to的句型改 We find it is very useful to study English well（改同义句0 单项选择 the dictionary is () useful book for studying English. i think It (is) useful to learn english well.括号里面的is要不要加? 几个英语问题句型转换i find it is useful to learn English well.（改为简单句）i we find it is very useful to study english well 将I find it is useful to learn English well. It is useful to learn English ( )it is spoken all over the w To learn English is important and useful. I find it useful to learn English well It is so hard to lear 改同义句I find that listening to English tapes is very useful __ 文章:english is useful