题目内容：
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
参考答案：
选择题：Since all the airline tickets were sold out, we we
- 题目分类：四川民族学院大学英语A卷
- 题目类型：选择题
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A、were constrained to
B、had to
C、were grateful to
D、were persuaded to