问题
选择题
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
答案：B
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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：B