It is reported that _______ the young, with their parents working in distant cities, suffer from a sense of loneliness.
_________, he could continue working in this company now.
Before I set out on my journey, my mother told me everything ________ I should pay attention to.
_______ to TV play, he stayed up late.
John opened the door. There _______ he had never seen before.
---I heard that he grew worse after taking the medicine.---Yes.He was ___________to it.