Without the friction (摩擦力) between feet and the ground, people would ______ be able to walk.
A.in no time | B.by all means | C.on any account | D.in no way |
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Without the friction (摩擦力) between feet and the ground, people would ______ be able to walk.
A.in no time | B.by all means | C.on any account | D.in no way |