问题
选择题
We don’t doubt _____ he’ll finish the task in time. [ ]
A. which
B. that
C. if
D. whether
答案
答案：B
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We don’t doubt _____ he’ll finish the task in time. [ ]
A. which
B. that
C. if
D. whether
答案：B
糖高宗”、“油你去”、“煤超风”形成时，市场处于 状态。