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问题详情

Since all the airline tickets were sold out, we were obliged to stay in the city for two more days.

A、were constrained to

B、had to

C、were grateful to

D、were persuaded to

时间：2021-09-02 13:25 关键词：文鼎教育乐山师范学院大学英语

答案解析

B

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