—Why do you look so worried? —Fred left the company half an hour ago. His work _______ unfinished since.
He has never been to Beijing. __________________.
He was reported _______in that country when he was having holiday there last year.
The old man said the accident _______ careless driving, so a lot of money________ be paid by the driver.
Many policemen and soldiers are _______ the forest _______ the prisoner escaping from prison.
Mr. Wang, who _____ in this city ever since thirty years ago, _____ a report for the last two years.