分类：教育/科学-外语学习
问题：七年级英语分辨他们的不同之处_____________摔倒___ 
分辨他们的不同之处_____________摔倒__________(fall down 还是fall off)在……方便薄弱____________经常使用____________You were too __(care)in your last exam.Please be more ____(care)next time.He is bright,____(cheer),and full of energy. 
回答：-tellthedifferencebetween-falldown,falloff都是摔倒falloff强调跌落从...掉下来falldown强调滑倒倒下,所以用FALLDOWN.在……方面薄弱:beweakin经常使用英语: reless9粗心)careful(细心)cheerful