新概念上的一道选择题The experts were now fully convinced that the animal_______a puma.A.must be B.should have been C.can only be D.could only have been可能是多项选择,是A和D么

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/15 00:27:58
新概念上的一道选择题The experts were now fully convinced that the animal_______a puma.A.must be         B.should have been C.can only be  D.could only have been可能是多项选择,是A和D么

新概念上的一道选择题The experts were now fully convinced that the animal_______a puma.A.must be B.should have been C.can only be D.could only have been可能是多项选择,是A和D么
新概念上的一道选择题
The experts were now fully convinced that the animal_______a puma.
A.must be B.should have been
C.can only be D.could only have been
可能是多项选择,是A和D么

新概念上的一道选择题The experts were now fully convinced that the animal_______a puma.A.must be B.should have been C.can only be D.could only have been可能是多项选择,是A和D么
D A要改成must have been

是c吧