摘要： According to a UN report, some 844 animals and plants in the last 500 years. A. disappeared B. were disappeared C. have disappeared D. had been disappeared
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According to a UN report, some 844 animals and plants ______ in the last 500 years.
A. disappeared B. were disappeared
C. have disappeared D. had been disappeared
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According to a UN report, some 844 animals and plants ______ in the last 500 years.
- A.disappeared
- B.were disappeared
- C.have disappeared
- D.had been disappeared
According to a UN report, some 844 animals and plants ______ in the last 500 years.
A. disappeared B. were disappeared
C. have disappeared D. had been disappeared
查看习题详情和答案>>According to a UN report, some 844 animals and plants ______ in the last 500 years.
| A．disappeared | B．were disappeared |
| C．have disappeared | D．had been disappeared |