It's about time I _____something about home-decoratingA learnB learnedC have learnedD should learn

问题描述:

It's about time I _____something about home-decorating
A learn
B learned
C have learned
D should learn

其实B和D都没有语法错误 但是B应该是最佳答案。

  B learned
It is time sb. did sth.为句型,意思为“某人早就该做某事了”

it is about time+虚拟语气,也就是说动词用一般过去时,所以选B

D. should learn