They always ______ themselves of their duty very well. A: affront B: affix C: avail D: acquit

At two of the schools, those who can't ______ to attend are supported by the foundation. A: afford B: affront C: ford D: effort

中国大学MOOC: 10. In many Asian, African and Latin American cultures, extended eye contact can be taken as an affront or_______________.