1. —A trip to outer space must be fun and exciting.
—______. That’s why so many people are looking forward to such a trip.
A. That’s all right B. I prefer to
C. I suppose so D. It depends
2. A conference was held in ______ honour of Professor Lee on the occasion of his 80th birthday, which was ______ honour to him.
A. the; an B. 不填; 不填
C. an; 不填 D. 不填; an
