问题
选择题
Attention! Before the plane________，passengers will have thirty minutes to board.
A．takes off
B．gets off
C．gets into
D．takes out
答案
答案：A
答案 A [take off 是“(飞机)起飞”；get off “下车”；get into“上车；参与；开始”；take out“取出”。句意：请注意！在飞机起飞前，乘客们会有半小时的时间登机。]