单项选择 较难0.4 引用2 组卷538
I don’t know ________ she will come or not tomorrow.
| A．when | B．if | C．whether | D．what |
20-21八年级上·全国·课后作业
知识点：if (是否)whatwhen (当…时候)whetherwhether or notif/whether引导宾语从句从属连词辨析 答案解析 【答案】很抱歉，登录后才可免费查看答案和解析！ 立即登录
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It’s amazing! I can’t believe ________ you could make it to the top in such a short time!
| A．which | B．what | C．that | D．if |
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