: Mr. and Mrs. Black have a son, John. A. John is Mr. and Mrs. Black’s father. B. John is Mr. and Mrs. Black’s son. C. John is Mr. and Mrs. Black’s mother. D. John is Mr. and Mrs. Black’s

29/40

Mr. and Mrs. Black have a son, John.

John is Mr. and Mrs. Black’s father.

John is Mr. and Mrs. Black’s son.

John is Mr. and Mrs. Black’s mother.

John is Mr. and Mrs. Black’s parents.

Giải thích

Đáp án đúng: B

Giải thích và dịch nghĩa: Ông bà Black có một người con tên là John. → John là con trai của ông bà Black.