Many of the artists who didn’t come.A. ought to appearB. should appearC. had to appearD.

发布时间：2020-08-16 06:19:56

Many of the artists who      didn’t e.
A. ought to appear
B. should appear
C. had to appear
D. ought to have appeared

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A. ought to appear
B. should appear
C. had to appear
(答案→)D. ought to have appeared
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