Snowden arrived at Sheremetyevo International airport on June 23, _____ he was prevented from leaving for six weeks after the U.S. canceled his passport.
A.which | B.where | C.when | D.what |
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Snowden arrived at Sheremetyevo International airport on June 23, _____ he was prevented from leaving for six weeks after the U.S. canceled his passport.
A.which | B.where | C.when | D.what |