The book was written in 1946, ____ the education system has witnessed great charges. 
#73220
A
when
B
during which
C
since then
D
since when
推荐题目
It was _____ weather that everyone wanted to go outing .
#70006
A
so fine
B
such fine
C
so a fine
D
such a fine
Hurry up! The train ______. You know it ______ at 8:30 am.
#69465
A
leaves; leaves
B
is leaving; leaves
C
leaves; is leaving
D
is leaving; is leaving
The square box has a door,      there are some buttons.
#70254
A
beside it
B
beside which
C
beside that
D
beside what