fly on the 是用on还是用in?

fly on the 是用on还是用in? 是用in the sofa还是on the sofa? 是on the first week还是in the first week通常用on the week还是in the week? 是in/ON the magazine用in 还是 on或者两个都可以用?原因! what is the weather like on the Labor day是用on,in还是at? walk on the street还是用in? 用in还是on （ ）the right They talked on the telephone 是用in还是用on 在湖上划船用英语怎么说应该是over a lake 还是on a lake?On sunday they fly the planes in the fields or sail the ships ___ a lake.A.in B.at C.on D.over提问者：a9829_41293 - 魔法师 四级 选择D，因为介词over是表示“不 是英语的“英语书在书架上”是用“on”还是“in”?如“on the” ,“in the” On January 2011对吗?是用on 还是in? 短语介词提问：in 还是 on the doorway?这个短语前面是用in还是用on? in the space station还是on the space station在太空站用in还是on 在山上用in还是on野餐用on the hills 还是 in the hills 年份前面是用on还是in? Spring Festival 是用in还是 on 年份之前是用in还是on 请问May是用on还是in