单项选择题

All the flights ______because of the extremely heavy rain, we had to postpone our schedule.

[A] were canceled
[B] had been canceled
[C] having canceled
[D] having been canceled
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单项选择题
We're waiting for the director to give his______.
[A] accent
[B] ascent
[C] descent
[D] assent
单项选择题
I didn't like myself ______in that way.
[A] to be criticized
[B] criticized
[C] be criticized
[D] to have been criticized
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