—Would you like some more chicken?—No, thanks. I am ______ a diet and try to ______weight.
To understand the grammar of the sentence, you must break it________into parts.
He has been fired and will have to________over charge of his office tomorrow.
In his speech the headmaster________to the great help the school received from the district government.
John was so________that he could hardly keep his eyes________.
He kept the light in his room________the whole night.