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You travel by an airplane.
The first airplane was used for travel in the year 1921
the airplane helps you travel faster
By airplane.
gh speed travel via car, train or airplane
The grammatically correct way to say this phrase is "travel safely." This is because "safely" is an adverb modifying the verb "travel," whereas the adjective "safe" should only be modifying a noun. In this case, the word "travel" is used as a verb rather than a noun.
Mainly by airplane or ship.
wherever the airplane went.
you might crash
No.
west.
An airplane