题目内容：
A: My flight number is CA 921. Do I have to arrive at the airport at 10 o’clock?B: Yes. You ________ be there two hours earlier before it takes off.
A)
will
B)
can
C)
must
参考答案：
选择题：A: My flight number is CA 921. Do I have to arrive
- 题目分类：上海开放大学-大学英语2
- 题目类型：选择题
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B: Yes. You ________ be there two hours earlier before it takes off.
A)
will
B)
can
C)
must