500 Câu trắc nghiệm tổng hợp ngữ pháp Tiếng Anh thi THPT Quốc gia (Phần 2)
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They have made a lot of progress until the country became independent

14/25

They have made a lot of progress until the country became independent.

until

a lot of

independent

became

Giải thích

Chọn A