________ with the size of the whole earth, the highest mountains do not seem high at all.
C
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WhenIcamethroughthecustomsattheairport,Ihadtopay________onaclockIhadbought.
If you want to find a decent location for your own home, ________ Mr. Smith for advice.
General Motors, one of the world's largest auto manufacturers, is expanding its ________ in this country.
She ________ her nervousness to the importance of the interview.