摘要： Land animals are believed to have sea animals. A. been developed from B. been developed C. developed from D. developed into
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Land animals are believed to have ________ sea animals.
[ ]
A．been developed from
B．been developed
C．developed from
D．developed into
Land animals are believed ______ from sea animals.
A. to have developed B. to have been developed
C. having developed D. having been developed
查看习题详情和答案>>Land animals are believed ______ from sea animals.
|
A．to have developed |
B．to have been developed |
|
C．having developed |
D．having been developed |
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