题目内容
(请给出正确答案)
[主观题]
If you come,you must be prepred to keep moving,______ it is too cold to stndnd wtch for lo
ng.[If you come,you must be prepred to keep moving,______ it is too cold to stndnd wtch for long. [ ]s B.when C.if D.unless
A.as
B.when
C.if
D.unless
提问人:网友wl36978
发布时间:2022-01-07