an upright piece of furniture

[English Learner]

English Grammar Tests, Elementary Level

ESL/EFL Test #296 "Household Items (4)", question 10

A ......... is an upright piece of furniture that holds books as well as other items and ornaments.

(a) book bin
(b) book closet
(c) book basin
(d) bookcase

English Grammar Tests, Elementary Level

ESL/EFL Test #296 "Household Items (4)", answer 10

A bookcase is an upright piece of furniture that holds books as well as other items and ornaments.

Correct answer: (d) bookcase
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what is book bin explane?

[Beeesneees]

It is sometimes the term given to a basket full of books on sale at reduced prices in a book shop.
'Book closet' and 'book basin' have no meaning, so perhaps 'book bin' is not intended to have a meaning here either.
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Cheers m' dears!