Snowden arrived at Sheremetyevo Internat
题型:选择题
问题:
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
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