Doctors Without Boarders, ________ international organization, received ________ Nobel Prize for Peace in 1999 for its outstanding work .

---When was Tom bitten by a snake?
---It was on a Sunday _______ he was taking a trip to the mountainous area.

--- How do you find this kind of rice?
--- Pretty good, It ______more quickly than that kind.

________ by his teachers made him regain the confidence in himself.

For some students, professional training might be the way to go since well-developed
skills,________, can be the difference between having a job and not.