He has been out of work for three months; as a result he has to on family expenses by one

问题补充：

He has been out of work for three months; as a result, he has to on family expenses by one-third.

A. cut out

B. cut down

C. cut up

D. cut off

答案：

A. cut out

(答案→)B. cut down

C. cut up

D. cut off

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