Look at the timetableThe flight to Shanghai _____ off at 10:00

________the training of the FDS company，JacksonSharoffwasofferedanimportantpositionin management.[ ]

I regret ______ so much money on a car.

You should inspect the wheels regularly, and replace them ______ they cause you trouble

We were on the point of discussing financial investment_____ the telephone rang unexpectedly