问题
– My son was admitted to a key university last year. —– Congratulations! His hard work finally ________,
A:paid for
B:paid off
C:paid back
D:paid attention
B:paid off
C:paid back
D:paid attention
正确答案是：
同类题型
In fact, the house as well as his two cars ______ him all the money he earned during the 20 years
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