问题
选择题
He worked hard to ________ some money for his retirement.
A．set about
B．set out
C．set off
D．set aside
答案
答案：D
“他努力工作为的是为退休攒点钱。”A. set about 开始做 B. set out出发 C. set off 使爆炸 D. set aside存储，答案D。
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