It has been p_____ without doubt that air pollution has a negative effect on children's development.

There has been a _______ (drama) increase in the number of smartphone users over the last 10 years.

More research needs to be done to d________ the causes of the problem.

Some TV shows prefer politicians to be ____ (argument) rather than discuss things calmly

Yesterday, a politician posted a comment but she quickly deleted it. Its ____ (appear) is causing a lot of debate.

Sorry, my shoes are so _____ (mud)- I've just been walking near the river.

I try not to discuss politiv¡cs with my family, as we just have ____ (end) disagreements.

Researchers have put forward a h______ as to why some people prefer to work from home.

Some celebrities prefer to remain ____(mystery) rather than sharedetails of their lives.

I'm not a naturally _____ (chat) person in real life, but I do enjoy having conversations online.

Social media companies are hugely __________ (influence) in terms of the way people consume news.

One of the big ______ (contradict) of modern life is that we have lots of electrical appliances to save our time but very little free time to enjoy.

The report's f_________ suggest there might be a link between video games and children's behaviour.