【题目】We're trying to________a few hundred dollars every month for our vacation.
A.put off
B.put down
C.put out
D.put aside

【答案】D
【解析】句意：我们正在尽量每月存几百美金以供度假之用。put aside“储存(钱)备用”；put off“推迟”；put out“扑灭”；put down“写下；镇压”。