"Looking at the past..." (line 1).

"...understanding the future." (line 2).

"...how English came to be in the state it is..." (lines 3-4).

"...how English came to be (...) spoken by those who speak it." (lines 3-5).

"...the spread of English?" (line 5).

formation.

complexity.

relevance.

expansion.

destiny.

when a more modern English started to emerge.

how this language developed into its present form.

in which state the English language was originated.

what circumstances led to the formation of English.

the reasons why the language changed over the centuries.

has never been subject to change.

is used in very similar cultural contexts.

will be changed by the way non-natives use it.

is equally important for all knowledge fields.

should be used exclusively by native speakers.

predicts that air traffic in Europe will never be safely controlled

affirms that there is no solution for the crowded European airports

criticizes EUROCONTROL for the airport congestion in Europe.

shows that EUROCONTROL services are important to European air navigation

states that European authorities rarely take the right decisions to solve airport problems.

"… the constant increase in air traffic can be accommodated …" (lines 11-12).

"…solutions must be found elsewhere, and with the relevant parties." (lines 33-34)

"Some elements of airport operations may be under the control of the State, ..." (lines 37-38).

"EUROCONTROL is going to help them to do this, ..." (lines 49-50).

"The 'Airports' pages of the EUROCONTROL website will give you…" (lines 51-52).

predicts that air traffic in Europe will never be safely controlled.

affirms that there is no solution for the crowded European airports

criticizes EUROCONTROL for the airport congestion in Europe.

essential activities

incorrect activities

common activities

secondary activities

unimportant activities.

airport congestion.

air navigation system.

working on the airport component.

solving enviromental problems.

restricting airport operating hours.

but.

since.

although.

because.

in addition.