题目内容
1.My grandma likes to be with the young though she is in her _________ now.
2.Those __________ books will be donated to the schools in poor areas.
3.It is difficult work, but the sense of _________ is huge.
4.The patient is getting much better after the operation and now she can look after _________.
5.To make a green world, we should try to reduce air _________ by walking more and driving less.
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