_____ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
| A．To wait | B．Have waited | C．Having waited | D．To have waited |
After questioning the man for six hours, the police __________ the information they wanted.
| A．seized |
| B．recovered |
| C．appealed |
| D．obtained |
—I prefer shutting myself in and listening to music all day on Sundays.
—That's __________ I don't agree. You should have a more active life.
| A．where |
| B．how |
| C．when |
| D．what |
I'm very sorry to have __________ you with questions on such an occasion.
| A．attracted |
| B．abstracted |
| C．impressed |
| D．bothered |
Don't forget where the emergency exits are __________ an emergency.
| A．in place of |
| B．in favor of |
| C．in case of |
| D．in charge of |
My sister is very stubborn, so it is __________ to change her mind.
| A．in order |
| B．in need |
| C．in charge |
| D．in vain |