The research is so designed that once _______ nothing can be done to change it.
When I caught him ______me, I stopped ______things there and started dealing with another shop.
Customers are asked to make sure that they______ the right change (零钱) before leaving the shop.
E-shopping, when properly, can save us a lot of time and energy.
---Where is your new home now? ---In the new developed zone. But I ______downtown for five years.
Getting off the bus, she found her hand bag ________.