Please excuse me _______ your letter by mistake.
Not until the press reported the pollution _________ why the water supply had been cut off.
We are said to be living in ________ Information Age, _______ time of new discoveries and great changes.
Spring comes and the grass is beginning to ____________.
The students of Senior 3 are now under great pressure for it will be just one year ______ they take the Entrance Examination.
It’s ________ Steve is often late for work with the same excuse ________ annoies his boss.