1. [2012哈尔滨模拟]On _______ Friday when Tom was having an art lesson, as he had no color pencils with him, he drew _______ blue sun with his pen.
A. 不填;the                                           B. 不填; a
C. the; the                                              D. a; a 
2. [2012广安模拟]—Sir, have you decided to buy either of them?
—Either of them? I want to buy _______ so that I can have a change sometimes.
A. both                 B. neither                     C. any                          D. one