Were it not for friction ,we would not be able
to walk on this earth of ours,
答案是 B would not be able to
这是省略if的虚拟条件句 省略if后 句子要倒装 主句用 过去将来时
这是与现在情况相反的虚拟语气
原句= if it were not for...
Were it not for friction ,we would not be able
to walk on this earth of ours,
答案是 B would not be able to
这是省略if的虚拟条件句 省略if后 句子要倒装 主句用 过去将来时
这是与现在情况相反的虚拟语气
原句= if it were not for...