The author of the report is well _____ with the problems in the hospital because he has been working there for many years.
In my opinion, it is not so helpful to give someone some bread as it is important to teach him how to _____.
What a pity! I missed meeting my boss at the airport because my car was _____ in the traffic jam.
He moved to a foreign country, where he had to _____ himself to the new customs and habits.
--- Who do you think will be in charge of _____ so important a conference? --- Mr Smith.
There being no witness on the spot, the police were delayed by the _____ of information about the crime.