l jump  (This sentence is correct.)
l feel good (This sentence is correct.)
she is girl  ---> (She is a girl.)
l like cake (This sentence is correct.)

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*Please study the usage of Articles (a, an and the) in a sentence.

Hi Gideon!  

   Thank you so much for sending me your homework. I am very happy that you are becoming more interactive and you can easily learn some words. Keep it up!. Study your book and practice speaking English even at home.

~Teacher Cassie ^^