题目内容
12.There _______ a pen on the floor.Whose is it?( )| A. | am | B. | is | C. | are | D. | be |
分析 在地板上有一支钢笔.是谁的?
解答 答案:B.
根据a pen on the floor,可猜测这里的意思是地板上有一支钢笔,表示某处有某物,考查的应该是there be句型,在there be句型中,be动词的数应用就近原则(即要看后面的名词来判断),如果这个名词是可数名词的单数或者不可数名词,就用be的单数is;如果这个名词是复数就用be的复数are;根据 a pen,可知pen是单数,所以这里用is.故选B.
点评 在做题时先掌握考点,本题考点是there be 句型的系动词be的变化形式(应借助于后面的主语来判断即就近原则),根据其用法做出正确的选择.
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