There were three old teachers at the railway s________. They were taking happily. The train arrived, but they didn’t notice. Then the conductor(列车长) shouted, “G_____ on the train and take the seats, please”
The teachers heard the conductor and rushed for the train. T_____ of them got on the trainb________ it moved. The third one didn’t get on the t________. It was Mr Green. He looked worried.  One of his students was at the station. He t_______ to comfort(安慰) the teacher. It wasn’t really b_____ ,sir,” said the student. “Two out of threec________ the train. That’s quite good, you know.” “I know, “ the teacher said, “But it was m______ train. My friends only came to s_______ goodbye to me”