问题
选择题
The dinosaur’s eggs are found by explorers in the _______
A．1920s
B．1920’s
C．1920s’
D．1920’
答案
答案：A
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The dinosaur’s eggs are found by explorers in the _______
A．1920s
B．1920’s
C．1920s’
D．1920’
答案：A