问题
选择题
We'll go to visit Tian' an men Square _____ it doesn't rain tomorrow. [ ]
A. if
B. as soon as
C. when
D. since
答案
答案：A
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We'll go to visit Tian' an men Square _____ it doesn't rain tomorrow. [ ]
A. if
B. as soon as
C. when
D. since
答案：A