题目内容
20.Look!Jim and Mary the classroom.( )| A. | is cleaning | B. | are cleaning | C. | clean |
分析 看,吉姆和玛丽正在打扫教室,
解答 答案:B.结合look可知表达的是正在进行的动作,故用现在进行时be+doing,主语Jim and Mary,故are,故答案是B.
点评 可用来表示现在进行时的时间状语,常用的有:now,this week,at the moment,right now 等;或者告诉你一个准确的现在时间,或者用look,listen(常用于句子的开头,表示提醒听者注意正在发生的事情)
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