That boy isn't________the teacher.A.listen B.listens C.listening D.listening to
问题描述：
That boy isn't________the teacher.A.listen B.listens C.listening D.listening to
答
That boy isn't________the teacher.A.listen B.listens C.listening D.listening to
选D
因为前面有isn't,所以用现在进行时
【listen to sb】听...【to】不能省略的