题目内容
9、The number of women dying from breast cancer has fallen to its lowest level ____ records began in 1971.
A．when B．before C．since D．after
试题答案
9、C
相关题目
The number of women dying from breast cancer has fallen to its lowest level ____ records began in 1971.
- A.when
- B.before
- C.since
- D.after
The number of women dying from breast cancer has fallen to its lowest level ____ records began in 1971.
A．when B．before C．since D．after
查看习题详情和答案>>The number of women dying from breast cancer has fallen to its lowest level ____ records began in 1971.
A．when B．before C．since D．after
查看习题详情和答案>>
The number of women dying from breast cancer has fallen to its lowest level ____ records began in 1971.
| A．when | B．before | C．since | D．after |