______ the boys ______ in the music room now? ( )
- A.Is; singing
- B.Are; singing
- C.Does; sing
正确答案及解析
正确答案
B
解析
句意:男孩们现在在音乐室唱歌吗?根据 now,可知句子是现在进行时,现在进行时的结构为:be+动词的现在分词,排除 C;boys 是名词复数,be 动词用 are,排除 A。故选 B。
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