What an unforgettable experience! I’ll write it down it is till fresh in my memory.
Abefore
B. so that
C. while
D. until
网友回答
(答案→)A. before
B. so that
C. while
D. until
解析：考查连词辨析。A在…前；B以便，以至于；C当…时；然而；尽管；D直到…才；句意：真是一次令人难忘的经历啊！要在记忆很新鲜之前，把它写下来。根据句意说明A正确。