在六十岁用in sixty还是in sixties?

在六十岁用in sixty还是in sixties? 在我十岁用英语怎么说用at ten还是in还是on There are sixty minutes in( ) hour应该用in还是the sixty seconds in a minute in the last sixty years用什么时态 There are sixty minutes in an hour .对sixty.提问 英语翻译在我们班,60%的学生喜欢用因特网.Sixty the students in our class to use the . there are sixty m___ in an hour there are sixty minutes in an there are sixty seconds in a m____ 十岁,二十岁,三十岁,四十岁,五十岁,六十岁,七十岁,八十岁,九十岁,一百岁用古语怎么说? 解析句子：There are sixty minutes in an hour.为什么用In? In our class( )sixty students.(用have,has,there is,there are填空） 老人六旬晋一是多大?是六十岁还是六十一岁? there are sixty students in class three 做同意句class three 什么 sixty students There are ( ) in an hour a.sixty seconds b.thirty mintues c.sixty minutes it's zero to sixty in three point five 翻译 She doesn't look old in her_______(sixty).