问题
选择题
After the new method is _______, a lot of money will be saved．
A．brought up
B．brought down
C．brought in
D．brought about
答案
答案：C
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After the new method is _______, a lot of money will be saved．
A．brought up
B．brought down
C．brought in
D．brought about
答案：C
支托与基托直接相连