1. At _______ time of his death, this astronaut was in training for _______ second space flight.
A. ／；the B. the; a C. the; ／ D. ／; a
2. —I hear that Bob was fired by the company.
—Yes. But don’t mention this when you _______ with him.
A. talked B. will talk
C. were talking D. are talking
