(A) It's thirty years (B) since this (C) fifty-storeys building (D) was built.

Câu hỏi :

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

A. It's thirty

B. since

C. fifty-storeys

D. was built

* Đáp án

* Hướng dẫn giải

Chọn đáp án C(fifty-storeys fifty-storey)

- Tính từ ghép: số từ + danh từ đếm được số ít

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