— I’m not the man ________the phone. She asked for Henry.　　　　— I’m sorry I was mistaken.

They_____the train until it disappeared in the distance.

 You should visit your parents _____, even when you are very busy.

Mary is very clever and      worth teaching , but her brother is not .Look ,he is now      asleep in class .

 By the time I _____the railway station, the train _____.