According to a UN report, some 844 anima
题型:选择题
问题:
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