单选题 If I were you, I ______ job-hunting by visiting the websites of these companies.

单选题 Each worker puts in nearly 2,200 hours a year, ______ average, and contributes about $30 to GDP per hour.

单选题 They opened a new store in our city, but not until last week ______ it.

单选题 He stayed patient and answered every single question, ______ obvious the answer was.

单选题 Companies understandably ask: why should I train you ______ you'll leave and work for my competitors?

单选题 Generally speaking, you should arrive at the airport with plenty of time ______

单选题 After the bargaining process ______, a final agreement was signed.

单选题 If you have difficulty ______ your bills, tell your utility company as soon as possible.