To me, cycling at ___ altitude of more than 4,000 meters was _____ unforgettable experience.
A.the; an | B.an; an | C./; a | D.an; / |
相关知识点
推荐套卷
To me, cycling at ___ altitude of more than 4,000 meters was _____ unforgettable experience.
A.the; an | B.an; an | C./; a | D.an; / |