Your smile is one of the strongest tools that make ______ possible for you to meet new people.
--- Steven, where did you come across the famous novelist from England?--- Believe it or not, it was in the supermarket ____ we went shopping last Sunday.
--- Come on, please give me some ideas about the project.--- With so much work ____ my mind, I’ll almost____.
---Where do you think ____ he ____ the computer?---Sorry, I have no idea.
Not until actually ____ with water shortage ____ appreciate the value of water to a region.
---Thanks a lot for your offer. I found it very helpful.---____. I’m glad you benefited from it.