1. — I don’t think this TV set is of good quality. Can you replace it with a new one?
—_____. But I have to talk to my manager first.
A．I’m sorry B. No way C. No problem D. That’s a question
2. I don’t know who invented _____digital camera, and it’s really _____ most useful invention.
A. the; a B. the; the C. a; a D. 不填；不填
