their

• He denied any knowledge of their plans .
  他声称对他们的计划一无所知。
• The students have improved their listening .
  这些学生的听力提高了。
• They lived their lives in blessed calmness .
  他们过着幸福宁静的日子。
• Their behavior profaned the holy place .
  他们的行为玷污了这处圣地。
• Their identities were hardly distinguishable .
  很难认出他们是何许人。
• Without their weapons they were helpless .
  他们没有武器便不能自卫。
• The great apes pair and rear their young .
  巨猿交配并抚育它们的子息。
• Ballet dancers practise their skills every day .
  芭蕾舞演员每天练功。