题目内容
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提问人:网友wl36978
发布时间:2022-01-07
[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
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