33.Take additional safety measures for the work extreme weather conditions.
(A)on
(B)from
(C)at
(D)in

答案：登入後查看
統計： A(5), B(4), C(1), D(11), E(0) #1331050

詳解 (共 1 筆)

#7265029

在極端天氣條件下工作，請採取額外的安全措施。

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