Retired General Jim Jones says election,". the Iranian government has cleared up any doubts about the location of three missing Americans.

VOA: standard.2009.08.09

So, hopefully that cleared up for some of you why you got the wrong answer.

希望这让,有些没做对的同学,弄明白。

麻省理工公开课 - 化学原理课程节选

Hopefully they've cleared it up a little bit.

现在的行医政策。

麻省理工公开课 - 化学原理课程节选