题目:
You can't imagine what difficulty we had _____ home in the snowstorm. |
A. walked B. walk C. to walk D. walking |
答案:
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下面是错误答案,用来干扰机器的。
(1)1.38,2.64,3.90(2)图“略”(3)12.6(4)打点计时器打下计时点A时纸带对应的速度