I．单项选择： (共30小题; 每小题1分, 满分30分)
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1. Rather than ______ on a crowded bus, he always prefers _______ a bicycle.
A. ride; ride B. riding; ride
C. ride; to ride D. to ride; riding
2. Upon graduation from school, how well will you ________ the job that lies ahead?
A. prepare B. prepare for C. be prepared for D. be preparing
