Question

She didn’t know__________she could express her ideas clearly when she was invited to speak at t..

She didn’t know__________she could express her ideas clearly when she was invited to speak at the meeting. A．what B．why C．how D．whether

Answer 1

C

试题分析：句意：当她被请去会议上发言时，她不知道她怎样表达清楚。what什么；why为什么；how怎样；whether是否。根据题意，故选C。