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Scholars are used to keep an eye________the progress of science in the world.A、f
Scholars are used to keep an eye________the progress of science in the world.A、f
游客
2023-09-29
59
管理
问题
Scholars are used to keep an eye________the progress of science in the world.
选项
A、for
B、on
C、in
D、at
答案
B
解析
keep an eye on为固定短语,意为“密切关注,留意”,其余三项均不能与keep an eye搭配。
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