It’s very difficult to satisfy the manager for he has already _____ three applicants this morning. [ ]

Could you tell me something about the boy in red— Sorry, I know nothing about him. We are_____ .

Traffic conditions in Beijing________for decades. At first people only complained about jams during rush hours,but today every hour is rush hour. [ ]

Have you realized the part the computer has ________ in daily life?

If you see the comedy, you will ______ laugh.