问题
选择题
The plane leaves at 9:00 p.m. So I have to be at the airport __8:00 p.m. at the latest.
A．until
B．after
C．by
D．around
答案
C
“飞机在晚上9点前起飞，所以我不得不最晚在9点之前赶到机场。”此处by意为在……之前，后接时间点，相当于before.
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