II. Chọn đáp án đúng có đáp án

English ________ at state schools as a compulsory lesson for 20 years until last year. A. is being taught B. was being taught C. had been taught D. has been taught

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English ________ at state schools as a compulsory lesson for 20 years until last year.

is being taught

was being taught

had been taught

has been taught

Giải thích

Chọn đáp án C