Few students can understand the sentence until it（）twice or three times.A explainsB is explainedC will be explainedD has explained.大师说明理由

分类: 作业答案 • 2022-04-15 08:27:43

问题描述：

Few students can understand the sentence until it（）twice or three times.
A explainsB is explainedC will be explainedD has explained.大师说明理由

答