—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?
________ is no difference between them.
_______ is no good _______ without doing anything.
________needs further discussion whether we’ll build a library or not.
He felt ______ to work for human rights and progress.
______ will take you a lot of time to find him in the crowd.