by Books help broaden the mind. Books also provide a good source of entertainment.
A. Books help broaden the mind, but they provide a good source of entertainment.
B. Books help broaden the mind, and they provide a good source of entertainment.
C. Books help broaden the mind, for they provide a good source of entertainment.
D. Books help broaden the mind, or they provide a good source of entertainment.
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Đáp án: B
Giải thích: Sách giúp mở mang đầu óc. Sách cũng cung cấp nguồn giải trí hay.
