Meaning of "Will you pick up the tab for dinner?"

[Erem]

English Language Tests, Intermediate level

ESL/EFL Test #414 "English Slang Idioms (154)", question 1

"Will you pick up the ......... for dinner? You owe me twenty dollars and that would be a good way to pay me back," Kyle said to Brian.

(a) plate
(b) pay
(c) liability
(d) tab

English Language Tests, Intermediate level

ESL/EFL Test #414 "English Slang Idioms (154)", answer 1

"Will you pick up the tab for dinner? You owe me twenty dollars and that would be a good way to pay me back," Kyle said to Brian.

Correct answer: (d) tab
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meaning of 154?

Erem

[Mister Micawber]

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Will you pick up the tab for dinner? = Will you pay for dinner?
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Native English teacher at Mister Micawber's