While the doctor ________ Mr. Jones, his son ________ outside this morning. A. was examining / was waiting B. will be examining / are waiting C. had been examining / was waiting D. are exam
While the doctor ________ Mr. Jones, his son ________ outside this morning.
A. was examining / was waiting
B. will be examining / are waiting
C. had been examining / was waiting
D. are examining / is going to wait