One of the holes of the fossil record is the absence of well-preserved birdOne of the holes of the fossil record is the absence of well-preserved bird feathers from the period that is likely_______with the mass extinction of dinosaurs.A.to end B.to

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Oneoftheholesofthefossilrecordistheabsenceofwell-preservedbirdOneoftheholesofthefossilrecordistheabs

One of the holes of the fossil record is the absence of well-preserved birdOne of the holes of the fossil record is the absence of well-preserved bird feathers from the period that is likely_______with the mass extinction of dinosaurs.A.to end B.to
One of the holes of the fossil record is the absence of well-preserved bird
One of the holes of the fossil record is the absence of well-preserved bird feathers from the period that is likely_______with the mass extinction of dinosaurs.
A.to end B.to be ending C.to have ended D.to be ended.
请解释一下 .谢谢.

One of the holes of the fossil record is the absence of well-preserved birdOne of the holes of the fossil record is the absence of well-preserved bird feathers from the period that is likely_______with the mass extinction of dinosaurs.A.to end B.to
One of the holes of the fossil record is the absence of well-选A.be likely to do可能干……; end with 以(随着)……而结束