7. The factory manager reports that currently all the machinery _________
at full capacity.
(A) will have been operated
(B) was operating
(C) had operated
(D) is
operating
答案:登入後查看
統計: A(52), B(27), C(28), D(89), E(0) #716554
統計: A(52), B(27), C(28), D(89), E(0) #716554
詳解 (共 7 筆)
#1114907
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