Mr. Johnson ______ his boss ______ his careless mistake.
We were two hours late that day, which was due to the _________.
Jane was so for the news of her lost child that she was almost driven .
There are so many beautiful cars________, but he is at a loss which to buy.
Under no circumstances to the teacher.
With Shanghai World Expo drawing near, volunteers are making use of every minute to ____ their foreign language because language volunteers must pass a written test and an interview.