Scholars are used to keep an eye________the progress of science in the world.A、f

游客2023-09-29 25

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。

转载请注明原文地址:https://tihaiku.com/zcyy/3056375.html

相关试题推荐

随机试题

最新回复(0)

AsEdisongrewolder,heneverlosthis(interesting)______inscience.interest空