that was a long time ago,wasn`t it?不懂后面那个wasn`t it,这是一种什么句式?

that was a long time ago,wasn`t it?不懂后面那个wasn`t it,这是一种什么句式? that was a long time ago,wasn't it?应该怎么回答, it didn't take us a long time to get their there wasn't much 1.It happened_____ Lisa wasn’t there at that time. It wasn't worth it wasn't long ()he joined the job.A that B before C until D it wasn't until dusk that he realized that it was too late t It wasn't the mango season when Miss Green died.请问这是什么句式呀?什么 这句话对吗?It wasn’t easy for me to answer the questions that was 请翻译：It wasn't long before he was putting his voice lessons t This year’s weather isn’t as it was last year,（ A.wasn’t it It Wasn't Me中文歌词