2. 外语
  3. Dinosaurs did not exist.......the early years of life on Earth.

Dinosaurs did not exist.......the early years of life on Earth.

admin2019-07-01  27
问题 Dinosaurs did not exist.......the early years of life on Earth.
选项 A、during
B、beneath
C、while
D、into
答案A
解析 The preposition during expresses time: during the early years.
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