YuMingfailedtoanswermyquestioninclasstoday.A．didn’table...

问题详情：

Yu Ming failed to answer my question in class today.

A．didn’t able to                               B．wasn’t able to

C．wasn’t successful                        D．didn’t want to

【回答】

B

知识点：相似 相近词比较

题型：选择题