在线名词解释大全 - 实用英语语法 - 详细

—Whathappenstothesepeople?—Theyhavebeenwaitingformanyhourstoseethemoviestars,buttheplanemusthavebeen________.

A
A. off time
B
B. ahead schedule
C
C. on time
D
D. behind schedule
正确答案:
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