There ______ a lot of red-crowned cranes in other parts of the world many years ago. [ ]A. is B. are

题目简介

There ______ a lot of red-crowned cranes in other parts of the world many years ago. [ ]A. is B. are

题目详情

There ______ a lot of red-crowned cranes in other parts of the world many years ago.
[     ]
A. is
B. are
C. was
D. were
题型:单选题难度:中档来源:同步题

答案

D

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