短语填空

【小题1】Cleaners have to get up early in the morning and work outside all the day. Besides，they are often____________．
【小题2】______________the advanced technology，we live in an age of bettered communication.
【小题3】________________，the program has saved thousands of children who would otherwise have died.
【小题4】Brown said he was by no means annoyed；______________he was glad to be able to make himself clearly understood.
【小题5】____________nature adds to the joy of life.