—I________as a cashier for 10 straight years, but I never had a sense of achievement.—Is that why you set up your own business?
---Will you go to the Great Wall with us? ---If John wants to go, ____.
The old man ___ all his money.
This is the museum ___ we visit yesterday.
The president of the university has been ___ for two years.
I can ___ believe that it was raining.