in the last ten years是过去时还是将来时

The boys enjoyed______ in Beijing last year. ____people died in the traffic accident in the world last year.({Thousands of} OR {Ten thousand of})这就是问题,请回答,为什么？ in last year,last year和in the last year它们有什么区别?都有这些形式吗? _____any koalas in the zoo last year?No.But there are ten now.A.are there B.Is there C.Were thereD.Was there in the last ten years应该用什么时态? in the last ten years后接什么时态 the summer before last year 对还是in the summer before last year this is the last year i stay inThis is the last year i stay in sichuan. MY LIFE IN TEN YEAR, Report the chief ten events of last year.怎么翻译啊? By the end of last year we________(know)each other for ten years. the summer before last year the前加in 改病句the water in the river polluted last year We lived in the small village for ten years._____ ______ did you _____ in the small village划线部分提问：for ten years Jenny and Tim were 109 years old last year.(对划线部分提问） ____ ____ ____ Jenny and Tim last year?划线部分：1 These bags were in fashion last year and the year before last. These bags were in fashion last year and the year befoe last 素 英语去年 在句末做状语 是in the last year / last year Yang Liwei had a flight in space----- a before this year b last year c in ten years d next year