问题
选择题
They kept trying, and their efforts finally _______.
A．make it
B．paid off
C．are made it
D．are paid off
答案
答案：B
make it意为“做成功、到达”，无被动式，排除选项C。选项A时态错。pay off意为“（计划等）顺利成功”时，也是没有被动式的。故正确答案为B。
搜题请搜索小程序“爱下问搜题”