Peter ________ at this job since he graduated from college.
At the railway station,the mother waved goodbye to her son until the train was .
The door opens and there ____.
-Why are you still here? Everybody has gone to attend the lecture by the president.-Oh, I ____ about it!
All the photographs in this book, ____ stated otherwise, date from the 1950s.
-He had a headache and went to drugstore to get something for his pain ____.-But the form cannot be signed by anyone ____ himself.