I didn’t know ______ at the meeting yesterday.A、what to sayB、to say whatC、why

游客2025-07-07  0

问题 I didn’t know ______ at the meeting yesterday.

选项 A、what to say
B、to say what
C、why to say

答案 A

解析 say是及物动词,不定式中的疑问词应该为疑问代词,须放在不定式之前。
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