Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có đáp án (Đề 4)

There’s somebody behind us. I think we________. A. are following B. follow C. have followed D. are being followed

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There’s somebody behind us. I think we________.

are following

follow

have followed

are being followed

Giải thích

Chọn đáp án D