◎ 题干
My son and I _____________ a trip to Beijing.
[     ]
A. is going on
B. are go on
C. are going to
D. are going on
◎ 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“My son and I _____________a trip to Beijing. [ ]A. is going onB. are go onC. are going toD. are going on…”主要考查了你对  【一般现在时,动词单数第三人称】【动词短语】  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。