問題詳情

6. The students answered the teacher’s questions, ______ up and down the desk.
(A) the hands moved
(B) and her hands moving
(C) her hands moving
(D) whose hands moving

參考答案

答案:B[無官方正解]
難度:困難0.222222
統計:A(2),B(2),C(2),D(2),E(0)

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