单元：Unit 04.txt

• silent
• helpful
• from time to time
• score
• background
• interview
• deal with
• dare
• private
• guard
• require
• British
• speech
• ant
• insect
• influence
• seldom
• proud
• be proud of
• absent
• fail
• examination
• boarding
• in person
• exactly
• take pride in
• grandson
• general
• introduction