show over. as a result . connect to. over time. 英译汉

show over. as a result . connect to. over time. 英译汉 Many difficulties have ___ as a result of the change over to many diffigulties have ( ) as a result of the change over to Over the past decades,sea ice ___ in the Arctic as a result ）Over the past decades,sea ice in the Arctic as a result of over a period of time to cook over a over time after all,as a result,all over的区别.都有结果的意思,做选词填空时怎样区分? I will spend as much time as I( )the lesson.A.can go over B. I will spend as much time as I__the leson.（A.can go over B.c Jack spent as much time as he ___ over lessons.