Tom __fell__ off the tree and hurt his leg.知识点该怎么写 直接写fall-fell-fallen 也可以吧

问题描述:

Tom __fell__ off the tree and hurt his leg.
知识点该怎么写 直接写fall-fell-fallen 也可以吧

本句可以理出这样几个知识点:
1.fall-fell-fallen
2.hurt-hurt-hurt
3.fall off the tree 从树上摔下来
供参考,