500 Câu trắc nghiệm tổng hợp ngữ pháp Tiếng Anh thi THPT Quốc gia (Phần 3)

Some snakes have hollow teeth they are called fans that they use to poison their victims

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Some snakes have hollow teeth they are called fans that they use to poison their victims.

Some

they are called

use

their

Giải thích

Chọn A