下列各组句子中划线词不都属于古今异义一项是（ ）

桃花因颜色鲜艳美丽，故诗人常藉以比喻美丽的女子。下列诗歌中的桃花，不具此喻意的选项是：（ ）

She’s going to have problems finding a job ______she gets good marks

league has been recoveringgradually since the operation, and it wont’ be long ______ he comes back towork．

Her father in the USA for another year,so that she could work toward her master’s degree. [ ]