______ made his teacher unhappy.

(单选题)According to the writer, you can know more about “Walk to Sc (单选题)What is the first thing to do if you want to enjoy your walk (单选题)Which is NOT the benefit (好处) of walking to school? (单选题)By walking to and from school, children can learn ________. (单选题)Who are encouraged to take part in the programme of “Walk to (单选题)What would Bill probably say at last? (单选题)Three days before graduation, Bill asked Mark to talk becaus (单选题)At Bill’s home, they didn’t ______. (单选题)Which of the following is NOT true? (单选题)When Bill fell down on his way home, Mark ______.