A family of five is really a heavy burden so we all have to work hard to .A. find outB. w

问题补充：

A family of five is really a heavy burden, so we all have to work hard to .

A. find out

B. work out

C. carry out

D. help out

答案：

A. find out

(答案→)B. work out

C. carry out

D. help out

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