Cave exploration, which has come to be k
题型:选择题
问题:
Cave exploration, which has come to be known in recent years, is a ________ new sport.[ ]
A. relatively
B. gradually
C. publicly
D. strictly
Cave exploration, which has come to be known in recent years, is a ________ new sport.[ ]
A. relatively
B. gradually
C. publicly
D. strictly