单项选择
冠词
1. In face of ________ failure, it is the most important to keep up ________ good state of mind.
A. 不填; a B. a; 不填 C. the; 不填 D. 不填; the
2．Thank you for sending us ________ fresh vegetables of many kinds. You have done us ______ great service.
A. 不填; a B. the; a C.不填，不填 D. the; 不填