Scientists will have to come new methods of increasing the world’s food supply.A. up forB.

发布时间：2020-08-16 16:24:37

Scientists will have to e     new methods of increasing the world’s food supply.
A. up for
B. up with
C. out
D. on

网友回答

A. up for
(答案→)B. up with
C. out
D. on
解析：e up with表示想出的意思，与本题的题意相符，故本题选B。
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