问题
选择题
I have done everything _____ was possible to do to prevent him from _____ the risk but in vain. [ ]
A. it; cutting
B. that; running
C. that; cutting
D. it; running
答案
答案：B
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I have done everything _____ was possible to do to prevent him from _____ the risk but in vain. [ ]
A. it; cutting
B. that; running
C. that; cutting
D. it; running
答案：B