应填in the front of in front of 在..前面(外部) in the front of 在..前面(内部) 如:Are we permitted to sit in the front of the hall? 允许我们坐在大厅的前部吗? There is a rose bush in front of the office.办公室前有一丛玫瑰.
He sits in the classroom. She sits in the front row during the School basketball game. She sits in front of me at a movie. She sits next to me on the motorboat. She doesn't like to sit at the back of the bus.