问题
选择题
Jane worked hard before the final exam, and it ________. She got an A.[ ]
A．paid off
B．showed off
C．took off
D．set off
答案
答案：A
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Jane worked hard before the final exam, and it ________. She got an A.[ ]
A．paid off
B．showed off
C．took off
D．set off
答案：A
