Covid-19 and H1N1 have been two of the most ... diseases of modern times.

The aim of the campaign is to attract as many ... buyers as possible.

They were dissatisfied at the store's customer care service but they chose not to complain as they thought it wouldn't be worth the ... .

The whole area was ... by the extreme weather conditions that hit the country last winter.

Members of the Parliament seem to be ... of the effects that the enforcement of the legislation is going to have on citizens, and keep making wrong decisions.

New Technology is a ... if misused or overused.

The lecturer gave such a confusing speech that the majority of the attendees kept looking at him in ... .

To the best of my ... I have not attended such an interesting seminar before.

If you want your presentation to be successful you need to keep it ... and avoid unnecessary details.

... land is the result of the climatic change and long periods of drought.

The vast majority of children in third-world countries are ... and suffer from infectious diseases.

Choose the odd one(s) out.

Lots of vaccines have been used to ... previously mortal diseases.

She ... right in the middle of the presentation leaving everyone shocked and unable to react.

There is huge economic ... amongst the different classes in this country, causing everyone great dissatisfaction.

If you have a change of ... it means that you change your mind.

Choose the two phrases that have opposite meanings.

Sleep ... and stress are two of the most serious side-effects of the modern way of living.

His lack of courage and self-confidence ... the hard times he had as a child.