There ______ a lot of red-crowned cranes in other parts of the world many years ago.

A. is
B. are
C. was
D. were
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科目：初中英語 來源：同步題 題型：單選題

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

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