我的姐姐最终忙于备考 My sister is busy ____ ____ ____ ____these days.
问题描述：
我的姐姐最终忙于备考 My sister is busy ____ ____ ____ ____these days.
答
yarn Quality combed中文是怎么读的呀
答
with preparing the test
答
My sister is busy _preparing_ _for_ _the_ exams__these days.
答
preparing for the exam