(Viên chức Mầm non) 1128 câu trắc nghiệm Tiếng Anh A2 có đáp án - Phần 3

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While Harry was walking to work, he .............. a car accident.

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While Harry was walking to work, he .............. a car accident.

saw

was seeing

sees

is seen

Giải thích

Chọn đáp án A