按要求改写下列句子 To listen to tapes is a good way to learn English well (改为形式主语)

按要求改写下列句子
1.To listen to tapes is a good way to learn English well (改为形式主语)
( It )( is ) a good way to learn
2.To beat him will be impossible ( 改为形式主语)
( It )( will ) ( be ) impossible to beat him
3.It will be fine tomorrow .We will climb the mountain ( 合并为条件状语从句)
( If )( it )( is ) fine tomorrow ,we will climb the mountain .
4.A:( How )( many )( times ) did you visit the Great Wall (根据答句写出问句)
B:I visited the Great Wall three times .
5.I spent 50 yuan on this dress .(改为同义句) I ( spent ) 50 yuan ( buying ) this dress .
6.Why not learm more traffic rules at the traffic station ( 改为同义句)
Why ( don't )( you ) learn more traffic rules at the traffic station
7.Bobby was very careless .He had a bad accident (合并成为一句 )
Bobby was ( so ) careless ( that ) he had a bad accident .
有不明白的请继续追问,