题目内容
18、The book was written in 1946,_____the education system has witnessed great changes．
A． when B． during which C． since which D． since when
试题答案
18、D
The book was written in 1946,_____the education system has witnessed great changes．
A． when B． during which C． since which D． since when
查看习题详情和答案>>The book was written in 1946, ________ the education system has witnessed great changes．
A．when
B．during which
C．since then
D．since when
The book was written in 1946, ________ the education system has witnessed great changes．
when
during which
since then
since when
The book was written in 1946, ________ the education system has witnessed great changes．
when
during which
since then
since when
The book was written in 1946, ________ the education system has witnessed great changes．
when
during which
since then
since when
The book was written in 1946, ________ the education system has witnessed great changes．
A．when
B．during which
C．since then
D．since when
The book was written in 1946,________ the education system has witnessed great changes．
A．when
B．during which
C．since then
D．since when
The book was written in 1946, _____ the education system has witnessed great changes.
| A．when | B．during which | C．since when | D．since then |
The book was written in 1946, _______ the education system has witnessed great changes.
| A．since then | B．when | C．since when | D．during which |