--Peter, hurry up! You ______ on the phone.--Oh, I ______. Thank you.

As people ______ more wealth ,they tend to spend a greater share of their incomes.

 He lifted the stone only _______ it dropped on his own feet.

---He lost his job last week, but he seems happy．---I think he _____ to put on a brave face．

 --- Liu Yi, do you miss your parents? I hear that you go back home once every month. ---Of course. You know this is the first time I_____ in the dormitory at school, far away from my hometown, Luoyang.