We apologize for any inconvenience you _______ have been caused by the delay of the flight.
Jack speaks Chinese _______ he were a Chinese.
I don’t want to _______ his invitation to dinner.
The twins are so much _______ that their parents can’t tell one from the other sometimes.
The computer system has ______ .
_______ found by the police, the killer had to hide themselves in a mountain cave for two months.