问题
选择题
— Shall we go boating this afternoon?
— It depends on the weather. I will go _____ it rains and the wind blows hard.[ ]
A. when
B. until
C. as
D. unless
答案
答案：D
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— Shall we go boating this afternoon?
— It depends on the weather. I will go _____ it rains and the wind blows hard.[ ]
A. when
B. until
C. as
D. unless
答案：D