2. 外语
  3. There are______of bird species in the Americas.

There are______of bird species in the Americas.

admin2019-07-01  16
问题 There are______of bird species in the Americas.
选项 A、thousand
B、the thousand
C、thousands
D、by the thousands
答案C
解析 The plural numeric term thousands is correct before the of+ plural noun structure of bird species.
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