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

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

出自：上海开放大学-大学英语2

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