摘要:22.A big step to strengthen China’s health care systems since we launched an effort in 2008. A.has been taken B.is being taken C.was taken D.had been taken
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A big step ____ to strengthen China’s health care systems since we launched an effort in 2008.
- A.has been taken
- B.is being taken
- C.was taken
- D.had been taken
A big step _____ to strengthen China's health care systems since we launched an effort in 2008.
[ ]
A. has been taken
B. is being taken
C. was taken
D. had been taken
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B. is being taken
C. was taken
D. had been taken
A big step ____ to strengthen China’s health care systems since we launched an effort in 2008.
A.has been taken B.is being taken C.was taken D.had been taken
查看习题详情和答案>>