It is reported that it is 100 years ____
题型:选择题
问题:
It is reported that it is 100 years ______ Qinghua University was founded.
A.when
B.before
C.after
D.since
It is reported that it is 100 years ______ Qinghua University was founded.
A.when
B.before
C.after
D.since