Bill was doing a lot of physical exercise to build up his.A. abilityB. forceC. strengthD.

发布时间：2020-08-17 11:47:24

Bill was doing a lot of physical exercise to build up his    .
A. ability
B. force
C. strength
D. mind

网友回答

A. ability
B. force
(答案→)C. strength
D. mind
解析：build up one’s strength使自己强壮。
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