◎ 题干
— Tomorrow ____ my birthday. I'd like you and Jane to come.
— I'm not sure if she ____ free.
[     ]
A. will be; is
B. is going to; is
C. is; is
D. is; will be
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— Tomorrow ____ my birthday. I'd like you and Jane to come. — I'm not sure if she ____ free. [ ]A. will be; isB. is going to; is C. is; is D. is; wi…”主要考查了你对  【一般现在时】【一般将来时】  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。