Ten years has passed _______the CCTV event People Who Moved China_英语解答

Ten years has passed _______the CCTV event People Who Moved China took place in 2002.
A when
B while
C before
D since

人气：353 ℃　时间：2020-05-08 00:36:30

解答

正确:D.since =自从;
when不对=当;
while不对=当时;当初;
before不对=之前