【正文】
根據(jù)題意可知選 A。 fall over (向前 )摔倒,跌倒 fall down (from) (從 ……) 滑倒,倒下 fall behind 落后 Be careful, or you will ________ the tree and get hurt. A. fall off C. fall over B. fall down D. fall behind A 題意:小心點,否則你會從樹上摔下來弄傷自己 的。 2. I was carrying some heavy bags on my bike and I fell off!我 正用自行車馱著一些很重的箱子,然后我摔倒