问题
选择题
What an unforgettable experience!I'll write it down________it is still fresh in my memory. [ ]
A. since
B. while
C. after
D. until
答案
答案:B
What an unforgettable experience!I'll write it down________it is still fresh in my memory. [ ]
A. since
B. while
C. after
D. until
答案:B