第一节：单项填空（共15小题；每小题1分，满分15分）
从下列每题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
1. It is not always easy __________ invitations.
A. to refuse B. refusing C. to be refused D. being refused
2. To answer correctly is more important than __________
A. a quick finish B. to finish quickly
C. finishing quickly D. you finish quickly
