Beforehearrived
问题详情:Beforehearrived___________thefarm,hisparentshadfinishedallthefarmwork. A./ B.on C.at D.to 【回答】C。此题at应与arrive搭配...
问题详情:Beforehearrived___________thefarm,hisparentshadfinishedallthefarmwork. A./ B.on C.at D.to 【回答】C。此题at应与arrive搭配...