请看一下下面句子的语法对不对,谢谢
1.The big steel tower has 342meters high,equival to a 70-storey buildings
(大钢塔高342米,相当于一个70层楼的建筑）
2.In 2007,the same name documentary has shot by British and the US
（在2007年,英国和美国拍摄了与它同名的纪录片）
3.London is famous for its Big Ben
(伦敦以大本钟著名）
4.Subsidiary of the British Parliament's clock tower conference room
(英国国会会议厅附属的钟楼)
5.It is designed by John
(它是被约翰设计的）
6.Mainly used for opera, ballet and dance
（主要用于歌剧、芭蕾舞和舞蹈表演）