He found it very difficult___________(赶上)the development of physics.to keep pace

游客2023-07-15 22

问题 He found it very difficult___________(赶上)the development of physics.

选项

答案 to keep pace with

解析本题主要考查 keep pace with的用法，表示“赶上，追上”；另外，find it difficult后应加动词不定式形式。

转载请注明原文地址:https://tihaiku.com/zcyy/2839215.html

相关试题推荐

随机试题

最新回复(0)

Theterm"qualityoflife"isdifficulttodefine.It【C1】______averywides