问题
选择题
| These eggs were found in the Gobi Desert by a group of scientists ________. |
A. in the 1920 B. in the 1920s C. in 1920s D. in 1920s' |
答案
答案：B
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| These eggs were found in the Gobi Desert by a group of scientists ________. |
A. in the 1920 B. in the 1920s C. in 1920s D. in 1920s' |
答案：B