You should ________ your supervisor right away when an accident happens.(A) be calling (B) call

問題詳情

14. You should ________ your supervisor right away when an accident happens.
(A) be calling
(B) call
(C) have called
(D) to call

參考答案

答案：B
難度：適中0.6341
統計：A(45),B(331),C(78),D(30),E(0)

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