6000 câu trắc nghiệm tổng hợp Tiếng Anh 2024 có đáp án (Phần 18)

I _________ his mother since I _________ 5 years old because she was my neighbor

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I _________ his mother since I _________ 5 years old because she was my neighbor.

have known – be

have known – was

knew – was

knew – were

Giải thích

Đáp án đúng là: B