Although motor car has been with us for almost a century, I have never been able to drive __________American one.
The professor spoke very clearly to make his speech ___.
Her ___ look suggested that she was completely ___.
“Bill, keep the things ___ here secret,”said the manager after meeting.
It is one of the funniest things ___ on the Internet so far this year.
According to the driver’s explaination, it was not his carelessness but the bad road conditions that ___ for the accident.