题目列表(包括答案和解析)
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 |
The book was written in 1946, _______ the education system has witnessed great changes.
A．since then B．when C．since when D．during which
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
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