问题描述：
1.找出句子中的谓语动词 2.找出单三人称动词 3.找出2个用动词原形,为什么要用动词原形?
this letter is from sam.he is kagnkang's pen pal.he lives in england and speaks english.he daesn't speaks chinese,but he knows a lot about china.he wants to visit beijing.he can help kangkang with his english.
this letter is from sam.he is kagnkang's pen pal.he lives in england and speaks english.he daesn't speaks chinese,but he knows a lot about china.he wants to visit beijing.he can help kangkang with his english.
问题解答：
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