All students are eager to know ________ they will pass the exam or not.A、ifB、th

游客2024-06-19  12

问题 All students are eager to know ________ they will pass the exam or not.

选项 A、if
B、that
C、whether
D、why

答案 C

解析 whether…or not为固定用法,意为“无论……与否”,其余选项均不能与or not搭配,故选C。
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