In English, ‘like’, ‘want’, and ‘need’ need objects. The sentence cannot finish after the verb.

“Do you like cheese?”
“Yes, I like.”

“Do you like cheese?”
“Yes, I like it.”

”Who wants an ice-cream?”
“I want.”

“Who wants an ice-cream?”
“I want one.”

“Does anyone here need a lift to the game?”
“I need.”

“Does anyone here need a lift to the game?”
“I need one.”