题目内容
16．Listen!Lucy ____ in her room．（ ）| A． | sings | B． | is singing | C． | sang | D． | are singing |
分析 听！露西在她的房间里唱歌．
解答 答案：B．
结合语境结合句首的Listen!推测设空处的句子的句意是"听！露西在她的房间里唱歌．"，由此判断设空处的动作在说话时刻正在进行着，所以用现在进行时．现在进行时的构成是：主语+am/is/are+动词的现在分词；主语Lucy是单数，所以用is，故答案为B．
点评 本题考查了动词的时态．做题时，一定要特别关注有关的时间短语，这是判断句子时态的标志．在没有时间状语的情况下可以联系上下文根据语境来做出正确判断．
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