问题
填空题
CONVERSATION 1 (Questions 1-4)
Mr. Li wants a ticket to (1) for (2) morning.
He has an appointment at (3) .
Mr. Li will probably check in (4) hour before the plane take off.
答案
参考答案：Monday
Mr. Li wants a ticket to (1) for (2) morning.
He has an appointment at (3) .
Mr. Li will probably check in (4) hour before the plane take off.