Read the following sentences and select the one that uses a homophone correctly.
It is estimated that 30–60 million buffalo traveled the planes in the mid-1800s in America.
She preferred her hamburgers to be plane—no condiments and no vegetables—just meat and a bun.
The mother and her children were the first ones on the plane; their seats were next to the cockpit.
The plain was flying so low the trees were rippling after it went by.
