◎ 题干
—Hello, I ________ to ask if I can book two tickets for tonight's film.
—Sorry, we've already sold out.
[     ]
A. phone  
B. will phone
C. am phoning  
D. have phoned
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Hello, I ________ to ask if I can book two tickets for tonight's film.—Sorry, we've already sold out.[ ]A. phoneB. will phoneC. am phoningD. have phoned…”主要考查了你对  【现在进行时】  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。