The incident happened at a (critical) point in the campaign.
A. 积极的
B. 关键的
C. 失望的
D. 传统的
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If you have a complaint about your holiday, please (inform) us in writing.
A. 投诉
B. 鼓励
C. 通知
D. 劝说
We are confident of a successful (outcome).
A. 事业
B. 结果
C. 原因
D. 轨迹
They are now emotionally (mature) and should behave responsibly.
A. 偏激的
B. 故意的
C. 成熟的
D. 无私的
He has the ( ) to become a world-class musician.
A. semester
B. potential
C. assignment
D. interdependence