Đề thi Học kì 1 Tiếng Anh 12 Thí điểm (có đáp án - Đề 5)

We ____ touch since we ___ school three years ago

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We _______ touch since we _______ school three years ago.

lost / have left

have lost / leave

have lost / left

were losing / had left

Giải thích

Đáp án C