不用去掉,这是固定搭配：We are listening to the teacher carefully.要是变成：We are listening to the teacher carefully.不就变成be going to一般将来时吗？求高手详解这里不能这么看...listen to sth.本来是一个固定搭配，you got it?变成现在进行时直接用典型的be doing sth就行了，不要把两者混淆哦...希望对你有帮助哦...