listen .Some girls _(sing)in the classroom怎么填

问题描述:

listen .Some girls _(sing)in the classroom怎么填

很简单啦,are singing..因为你前面有个listen,说明别人正在唱,说正在发生的东西就应该用现在进行时,所以填写 are singing...希望你喜欢罗-_-b

are singing 现在进行时啊

are singing