选择下列短语并用其适当形式填空

选择下列短语并用其适当形式填空
1.be far from 2.be known as 3.be from 4.help...whit 5.help
1.beijing ( ) one of the most ancient cities of Chinese
2.the girl often ( )her mother do housework at the weekend
3.-li yan,( ) nanhai ( )xinjiang?-yes it is.but we can go there by plane
4.last night Sarsh ( )Chen jie( ) her English
5.Tom ( ) but he can speak Chinese very well
be是转变成am is are was were