Were it not for friction ,we were not able to walk on this earth of ours.were,for friction,

Were it not for friction ,we were not able to walk on this earth of ours.were,for friction,
were not able to,of ours哪个错了.
其他人气:364 ℃时间:2020-04-19 20:42:44
优质解答
were not able to改为would not be able to
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