spects of a pilot’s job__________ beboring, and pilots often ________ work at inconvenient hours

The limits of a person’s intelligence, generally speaking ,are fixed at birth, but he reaches these limits will depend on his environment.

Some of the students are talking in the classroom and it’s kind of ______.

It’s nice. Never beforesuch D．I had

ThejobprovedtobemuchmoredifficultthanI______