从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题纸上将该选项标号涂黑。
1. Before starting any exercise program to keep you slim and energetic, you should ______ your doctor.
A. refer B. consult C. depend D. suggest
2. ---You must be excited about going to America for schooling.
---______, but I am afraid I can’t do well because my English is poor.
A. Never mind B. Certainly not C. I don’t know yet D. Well, I ought to
