In modern civilization, mankind is destroying the planet, all __________ progress

The boy has been lost for five days and everyone is worried about his ________．

How are you going, buddy —A little busy. However, _________.

The British are not so familiar with different cultures and other ways of doing things, ___________ is often the case in other countries

_______ from the operation, the patient was advised to stay in hospital for another two weeks. [ ]