He said that one airplane would be enough;

One Sunday afternoon, the airport closed down;

The problems one knows exist must be faced;

Unhappy with one flight, he decided to take another;

Not knowing one of the answers, they remained in silence.

at once;

so far;

by far;

at times;

for good.

I haven't seen him since our meeting at the airport;

Since I left the plane, I haven't been feeling well;

He has been a pilot since he graduated in 1980;

Let's go to the airport since we're so close to it;

The time to go to the airport has long since passed.

proud;

expedite;

exquisite;

extravagant;

proficient.

serious crash;

official decision;

aircraft design;

admission term;

lounge improvement.

agreed;

apologized;

cheered;

argued;

complained.

condition

cause;

concession;

contrast;

concern.

encourage to take place;

look forward to reassuring;

have the purpose of;

force to come about;

keep from happening.

quality;

weight

frequency;

simultaneity;

intensity.

demands from one country only;

American rules and regulations;

internal and external consensus;

disregard for domestic rules;

exclusive regard to foreign affairs.