_____, he has a lot of knowledge about computer.
-Got your driving license? -No. I __________ too busy to have enough practice, so I didn't take the driving test last week.
The new suspension bridge __________ by the end of last month.
The fire was finally __________ after the building had __________ for two hours.
The patient was warned __________ oily food after the operation.
Hearing the news, he ran out of the room in a hurry,__________ the door __________.