题目内容


Today’s world is changing rapidly, making _____ necessary for us to continue learning otherwise we can’t keep up with the time.
A．usB．itC．thisD．one
B
考查代词的用法。句意“当今的世界变化飞快，使得持续学习变得很有必要，否则我们就会跟不上时代的发展。”make it+形容词for sb. to do sth.，it是形式宾语，不定式是真正的宾语。故选B。
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