EXERCISE 6. MARK THE LETTER A, B, C, OR D TO INDICATE THE CORRECT TO E...

Lớp 10 Tiếng Anh BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 10 THÍ ĐIỂM - UNIT 5: INVENTIONS - ĐỖ BÌNH

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77. J.K. Rowling's “Harry Potter" books________ in many countries.

A. has been published B. have been published

C. was published D. were published