这道题的解题过程是?We were told not to

这道题的解题过程是?We were told not to
We were told not to touch the equipment in the laboratory unless ________. [ ]
A. allowed to do
B. allowing to do
C. allowed to
D. allowing to

朴条儿 1年前 已收到1个回答 举报

zixue 幼苗

共回答了18个问题采纳率:88.9% 举报

C

1年前

5
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