◎ 题干
Ladies and gentlemen,please fasten your seat belts,the plane______.
[     ]
A.takes off
B.is taking off
C.is going to take off  
D.is to take off
◎ 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“Ladies and gentlemen,please fasten your seat belts,the plane______.[ ]A.takes offB.is taking offC.is going to take offD.is to take off…”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。