Homework 6.13

1.tail (n)
  hardship, pain

2.grumble (v)
  complain, protest

3.countenanse (n)
  expression, look

4.defect (n)
  fault, weakness

5.scold (v)
  admonish, call down

Today`s reference
http://www.englishclub.com/esl-exams/ets-toeic-practice.htm