When Henry was wandering on the pavement,he was called by Roderick and Oliver who were playing in their house.The two guys had made a bet
to see whether they could play a joke on Henry.After Henry entered the house,the two guys asked him several questions.Henry answered.Finally,they gave Henry a letter.And they asked him not to open it until 2 o'clock.Henry got the letter and agreed not to open the letter until 2 o'clock.Then he went back home.At home,Henry waited and waited.Then it was 2 o'clock,and Henry opened the letter with great curiosity.