Employees of this company are required to ___ off all the lights before leaving in order to save the energy. 
(A) loosen
(B) pepper
(C) switch 
(D) wander

答案:登入後查看
統計: A(6), B(6), C(105), D(3), E(0) #312718

詳解 (共 1 筆)

#284770
這家公司員工都必須關掉所有的燈在離開之前節約能源
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