A . There was a heavy traffic.B . She was stopped by a policeman.C . There was something wrong with her car.
（3）
What had her children done to the dog?
A . They had hurt the dog.B . They had given the dog a bath.C . They had covered the dog with feathers.
（4）
What was the worst thing yesterday?
A . She forgot inviting her boss and his wife over.B . She had forgotten to cook dinner for her husband.C . Her boss and his wife called on her unexpectedly.
