1. On _________ morning of October 1, about 20 foreign tourists from ________European tour group came to visit the Great Wall.
A. the; a     B. the; /       C. /; a     D. a; the 
2. Only when he was refused by the interviewer ________ the importance of knowing English.
A. was he fully aware of     B. he was fully aware of
C. was fully he aware of     D. he fully was aware of