—Mary，I don’t know ____ you can come tomorrow morning.—No problem! I’ll be here _____I’m free then.A．if；ifB．if; whetherC．whether；tillD．whether；until-初中英语-n多题

◎ 题干

—Mary，I don’t know ____ you can come tomorrow morning.
—No problem! I’ll be here _____I’m free then.

A．if；if

B．if; whether

C．whether；till

D．whether；until

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“—Mary，I don’t know ____ you can come tomorrow morning.—No problem! I’ll be here _____I’m free then.A．if；ifB．if; whetherC．whether；tillD．whether；until…”主要考查了你对【并列连词】，【从属连词】等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。

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