Sharks have been in the earth foryears. [ ]A. thousands of B. two thousands C. two thousands of D. t

题目简介

Sharks have been in the earth foryears. [ ]A. thousands of B. two thousands C. two thousands of D. t

题目详情

Sharks have been in the earth for              years.

A. thousands of
B. two thousands
C. two thousands of
D. thousand of
题型:单选题难度:偏易来源:月考题

答案

A

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