While others sat at home studying papers on the subject, Jefferson got into a bo

游客2025-05-04 18

问题 While others sat at home studying papers on the subject, Jefferson got into a boat and made______observations.

选项 A、of-the-spot
B、in-the-spot
C、on-the-spot
D、at-the-spot

答案 C

解析 on-the-spot的意思是立即，当场。其他三个都不是固定搭配。所以，答案是C。

转载请注明原文地址:https://tihaiku.com/zcyy/4061217.html

相关试题推荐

随机试题

最新回复(0)

Whilesomebacteriaarebeneficial,othersare______inthattheycausedisease.