1. ––Do you mind my opening the window? It’s a bit hot in here.
––_________, as a matter of fact.
A. Go ahead B. Yes, my pleasure C. Yes, I do D. Come on
2. I don’t think the experiment is_______ failure. At least we have gained ________ experience for future success.
A. /; the B. a; the C. a; / D. /; /
3. As the busiest woman in Norton, she made _____ her duty to look after all the other people’s affairs in that town.
A. this B. that C. one D. it
