After studying in a medical college for five years, John _______ her job as a doctor in the countryside.
She knows that as a secretary she must be pleasant and helpful no matter how busy she is or what kind of ____ she may be in.
He didn’t _____ to the news.
is reported in the newspapers, talks between the two countries are making progress.
To keep the town clean, the truck ____ garbage is prevented ____ entering the town.
Is this the reason ____ at the meeting for his carelessness in his work ? A. he explained B. what he explained C how he explained D. why he explained