I’m not sure _______my friend can come here or not tomorrow.A. whether B
题型：不详难度：来源：
I’m not sure _______my friend can come here or not tomorrow.
A. whether B. when C. if |
答案
| A |
解析
试题分析：句意：我不确信我的朋友明天来还是不来。whether or not,是，还是不是。故选A。 |
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