题目内容
（请给出正确答案）
[主观题]
？Look at questions 1-5.？In each question, which sentence is correct？？For each question, ma
？ Look at questions 1-5.
？ In each question, which sentence is correct？
？ For each question, mark one letter (A, B or C) on your Answer Sheet.
Boarding times: 30 minutes before departure time for domestic and 1 hour for international flights.
A．You must get to the airport earlier if you are about to go abroad.
B．It takes thirty minutes to check in for domestic flights.
C．More lime is requested for international flights before taking off.
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