1 He has joined in the league for three years.
2 The liberay won't need to clean until Sunday.
3 It will have the science lecture next Monday in our school.
4 I won't go to the cinema with you because I lose the ticket.
英语翻译"图书馆需要打扫一下,但必须等到星期天"怎么用英语翻译?"我校下周一有一个科学讲座"用英语怎么翻译?再帮忙用英语